EmbLogic's Blog

int fix_loop(struct node **start)// pass start as a pass by reference argument
{
struct node *temp,**ma;
int count = 0,i;
temp = *start;
ma = calloc(sizeof(struct node *),20);
while(1)
{
if(!(temp->next))
{
printf(“there is no loop\n”);
return -1;
}
for(i=0; i<count; i++)
{
if(temp->next == *(ma+i))// create a master array which contains all the unique addresses
goto o;
//            printf(“i = %d\n”,i);

}
printf(”                            count = %d\n”,count);
*(ma+(count)) = temp;
count++;
//        ma = realloc(ma,count+1);
temp = temp->next;

}
o:    temp->next= NULL;
printf(“loop!! fixed\n”);
free(ma);
return 0;
}

RCS file: prog4.c,v
Working file: prog4.c
head: 1.29
branch:
locks: strict
root: 1.29
access list:
symbolic names:
keyword substitution: kv
total revisions: 29;    selected revisions: 29
description:
add student record complete
—————————-
revision 1.29    locked by: root;
date: 2014/07/20 12:00:57;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
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revision 1.28
date: 2014/07/20 11:37:55;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
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revision 1.27
date: 2014/07/20 11:36:06;  author: root;  state: Exp;  lines: +41 -0
sorting function added
—————————-
revision 1.26
date: 2014/07/20 10:45:40;  author: root;  state: Exp;  lines: +6 -6
*** empty log message ***
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revision 1.25
date: 2014/07/20 10:42:30;  author: root;  state: Exp;  lines: +8 -2
*** empty log message ***
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revision 1.24
date: 2014/07/20 10:37:29;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.23
date: 2014/07/20 10:35:12;  author: root;  state: Exp;  lines: +5 -5
*** empty log message ***
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revision 1.22
date: 2014/07/20 10:31:59;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.21
date: 2014/07/20 10:29:43;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.20
date: 2014/07/20 10:28:28;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.19
date: 2014/07/20 10:26:01;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.18
date: 2014/07/20 10:23:19;  author: root;  state: Exp;  lines: +13 -0
comlete avg
—————————-
revision 1.17
date: 2014/07/20 10:08:34;  author: root;  state: Exp;  lines: +2 -1
*** empty log message ***
—————————-
revision 1.16
date: 2014/07/20 10:08:05;  author: root;  state: Exp;  lines: +4 -3
*** empty log message ***
—————————-
revision 1.15
date: 2014/07/20 10:04:32;  author: root;  state: Exp;  lines: +1 -1
error solved
—————————-
revision 1.14
date: 2014/07/20 10:03:24;  author: root;  state: Exp;  lines: +18 -0
complet view function
—————————-
revision 1.13
date: 2014/07/20 09:49:08;  author: root;  state: Exp;  lines: +10 -2
complet the update function
—————————-
revision 1.12
date: 2014/07/20 09:40:06;  author: root;  state: Exp;  lines: +8 -6
*** empty log message ***
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revision 1.11
date: 2014/07/20 09:38:27;  author: root;  state: Exp;  lines: +3 -3
*** empty log message ***
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revision 1.10
date: 2014/07/20 09:37:06;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
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revision 1.9
date: 2014/07/20 09:33:53;  author: root;  state: Exp;  lines: +33 -2
update
—————————-
revision 1.8
date: 2014/07/20 09:06:42;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.7
date: 2014/07/20 09:05:14;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.6
date: 2014/07/20 09:04:25;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
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revision 1.5
date: 2014/07/20 09:02:19;  author: root;  state: Exp;  lines: +1 -1
\.
—————————-
revision 1.4
date: 2014/07/20 09:00:54;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.3
date: 2014/07/20 08:59:29;  author: root;  state: Exp;  lines: +1 -1
changes
—————————-
revision 1.2
date: 2014/07/20 08:55:08;  author: root;  state: Exp;  lines: +22 -1
delete funtion added
—————————-
revision 1.1
date: 2014/07/20 08:43:14;  author: root;  state: Exp;
Initial revision
=============================================================================
RCS file: prog4.c,v
Working file: prog4.c
head: 1.29
branch:
locks: strict
root: 1.29
access list:
symbolic names:
keyword substitution: kv
total revisions: 29;    selected revisions: 29
description:
add student record complete
—————————-
revision 1.29    locked by: root;
date: 2014/07/20 12:00:57;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.28
date: 2014/07/20 11:37:55;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.27
date: 2014/07/20 11:36:06;  author: root;  state: Exp;  lines: +41 -0
sorting function added
—————————-
revision 1.26
date: 2014/07/20 10:45:40;  author: root;  state: Exp;  lines: +6 -6
*** empty log message ***
—————————-
revision 1.25
date: 2014/07/20 10:42:30;  author: root;  state: Exp;  lines: +8 -2
*** empty log message ***
—————————-
revision 1.24
date: 2014/07/20 10:37:29;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.23
date: 2014/07/20 10:35:12;  author: root;  state: Exp;  lines: +5 -5
*** empty log message ***
—————————-
revision 1.22
date: 2014/07/20 10:31:59;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.21
date: 2014/07/20 10:29:43;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.20
date: 2014/07/20 10:28:28;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.19
date: 2014/07/20 10:26:01;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.18
date: 2014/07/20 10:23:19;  author: root;  state: Exp;  lines: +13 -0
comlete avg
—————————-
revision 1.17
date: 2014/07/20 10:08:34;  author: root;  state: Exp;  lines: +2 -1
*** empty log message ***
—————————-
revision 1.16
date: 2014/07/20 10:08:05;  author: root;  state: Exp;  lines: +4 -3
*** empty log message ***
—————————-
revision 1.15
date: 2014/07/20 10:04:32;  author: root;  state: Exp;  lines: +1 -1
error solved
—————————-
revision 1.14
date: 2014/07/20 10:03:24;  author: root;  state: Exp;  lines: +18 -0
complet view function
—————————-
revision 1.13
date: 2014/07/20 09:49:08;  author: root;  state: Exp;  lines: +10 -2
complet the update function
—————————-
revision 1.12
date: 2014/07/20 09:40:06;  author: root;  state: Exp;  lines: +8 -6
*** empty log message ***
—————————-
revision 1.11
date: 2014/07/20 09:38:27;  author: root;  state: Exp;  lines: +3 -3
*** empty log message ***
—————————-
revision 1.10
date: 2014/07/20 09:37:06;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.9
date: 2014/07/20 09:33:53;  author: root;  state: Exp;  lines: +33 -2
update
—————————-
revision 1.8
date: 2014/07/20 09:06:42;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.7
date: 2014/07/20 09:05:14;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.6
date: 2014/07/20 09:04:25;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.5
date: 2014/07/20 09:02:19;  author: root;  state: Exp;  lines: +1 -1
\.
—————————-
revision 1.4
date: 2014/07/20 09:00:54;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.3
date: 2014/07/20 08:59:29;  author: root;  state: Exp;  lines: +1 -1
changes
—————————-
revision 1.2
date: 2014/07/20 08:55:08;  author: root;  state: Exp;  lines: +22 -1
delete funtion added
—————————-
revision 1.1
date: 2014/07/20 08:43:14;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: prog4.c,v
Working file: prog4.c
head: 1.29
branch:
locks: strict
root: 1.29
access list:
symbolic names:
keyword substitution: kv
total revisions: 29;    selected revisions: 29
description:
add student record complete
—————————-
revision 1.29    locked by: root;
date: 2014/07/20 12:00:57;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.28
date: 2014/07/20 11:37:55;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.27
date: 2014/07/20 11:36:06;  author: root;  state: Exp;  lines: +41 -0
sorting function added
—————————-
revision 1.26
date: 2014/07/20 10:45:40;  author: root;  state: Exp;  lines: +6 -6
*** empty log message ***
—————————-
revision 1.25
date: 2014/07/20 10:42:30;  author: root;  state: Exp;  lines: +8 -2
*** empty log message ***
—————————-
revision 1.24
date: 2014/07/20 10:37:29;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.23
date: 2014/07/20 10:35:12;  author: root;  state: Exp;  lines: +5 -5
*** empty log message ***
—————————-
revision 1.22
date: 2014/07/20 10:31:59;  author: root;  state: Exp;  lines: +1 -0
*** empty log message ***
—————————-
revision 1.21
date: 2014/07/20 10:29:43;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.20
date: 2014/07/20 10:28:28;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.19
date: 2014/07/20 10:26:01;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.18
date: 2014/07/20 10:23:19;  author: root;  state: Exp;  lines: +13 -0
comlete avg
—————————-
revision 1.17
date: 2014/07/20 10:08:34;  author: root;  state: Exp;  lines: +2 -1
*** empty log message ***
—————————-
revision 1.16
date: 2014/07/20 10:08:05;  author: root;  state: Exp;  lines: +4 -3
*** empty log message ***
—————————-
revision 1.15
date: 2014/07/20 10:04:32;  author: root;  state: Exp;  lines: +1 -1
error solved
—————————-
revision 1.14
date: 2014/07/20 10:03:24;  author: root;  state: Exp;  lines: +18 -0
complet view function
—————————-
revision 1.13
date: 2014/07/20 09:49:08;  author: root;  state: Exp;  lines: +10 -2
complet the update function
—————————-
revision 1.12
date: 2014/07/20 09:40:06;  author: root;  state: Exp;  lines: +8 -6
*** empty log message ***
—————————-
revision 1.11
date: 2014/07/20 09:38:27;  author: root;  state: Exp;  lines: +3 -3
*** empty log message ***
—————————-
revision 1.10
date: 2014/07/20 09:37:06;  author: root;  state: Exp;  lines: +2 -2
*** empty log message ***
—————————-
revision 1.9
date: 2014/07/20 09:33:53;  author: root;  state: Exp;  lines: +33 -2
update
—————————-
revision 1.8
date: 2014/07/20 09:06:42;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.7
date: 2014/07/20 09:05:14;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.6
date: 2014/07/20 09:04:25;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.5
date: 2014/07/20 09:02:19;  author: root;  state: Exp;  lines: +1 -1
\.
—————————-
revision 1.4
date: 2014/07/20 09:00:54;  author: root;  state: Exp;  lines: +1 -1
*** empty log message ***
—————————-
revision 1.3
date: 2014/07/20 08:59:29;  author: root;  state: Exp;  lines: +1 -1
changes
—————————-
revision 1.2
date: 2014/07/20 08:55:08;  author: root;  state: Exp;  lines: +22 -1
delete funtion added
—————————-
revision 1.1
date: 2014/07/20 08:43:14;  author: root;  state: Exp;
Initial revision
=============================================================================

RCS file: prog4.c,v
Working file: prog4.c
head: 1.29
branch:
locks: strict
root: 1.29
access list:
symbolic names:
keyword substitution: kv
total revisions: 29; selected revisions: 29
description:
add student record complete
—————————-
revision 1.29 locked by: root;
date: 2014/07/20 12:00:57; author: root; state: Exp; lines: +2 -2
*** empty log message ***
—————————-
revision 1.28
date: 2014/07/20 11:37:55; author: root; state: Exp; lines: +2 -2
*** empty log message ***
—————————-
revision 1.27
date: 2014/07/20 11:36:06; author: root; state: Exp; lines: +41 -0
sorting function added
—————————-
revision 1.26
date: 2014/07/20 10:45:40; author: root; state: Exp; lines: +6 -6
*** empty log message ***
—————————-
revision 1.25
date: 2014/07/20 10:42:30; author: root; state: Exp; lines: +8 -2
*** empty log message ***
—————————-
revision 1.24
date: 2014/07/20 10:37:29; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.23
date: 2014/07/20 10:35:12; author: root; state: Exp; lines: +5 -5
*** empty log message ***
—————————-
revision 1.22
date: 2014/07/20 10:31:59; author: root; state: Exp; lines: +1 -0
*** empty log message ***
—————————-
revision 1.21
date: 2014/07/20 10:29:43; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.20
date: 2014/07/20 10:28:28; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.19
date: 2014/07/20 10:26:01; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.18
date: 2014/07/20 10:23:19; author: root; state: Exp; lines: +13 -0
comlete avg
—————————-
revision 1.17
date: 2014/07/20 10:08:34; author: root; state: Exp; lines: +2 -1
*** empty log message ***
—————————-
revision 1.16
date: 2014/07/20 10:08:05; author: root; state: Exp; lines: +4 -3
*** empty log message ***
—————————-
revision 1.15
date: 2014/07/20 10:04:32; author: root; state: Exp; lines: +1 -1
error solved
—————————-
revision 1.14
date: 2014/07/20 10:03:24; author: root; state: Exp; lines: +18 -0
complet view function
—————————-
revision 1.13
date: 2014/07/20 09:49:08; author: root; state: Exp; lines: +10 -2
complet the update function
—————————-
revision 1.12
date: 2014/07/20 09:40:06; author: root; state: Exp; lines: +8 -6
*** empty log message ***
—————————-
revision 1.11
date: 2014/07/20 09:38:27; author: root; state: Exp; lines: +3 -3
*** empty log message ***
—————————-
revision 1.10
date: 2014/07/20 09:37:06; author: root; state: Exp; lines: +2 -2
*** empty log message ***
—————————-
revision 1.9
date: 2014/07/20 09:33:53; author: root; state: Exp; lines: +33 -2
update
—————————-
revision 1.8
date: 2014/07/20 09:06:42; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.7
date: 2014/07/20 09:05:14; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.6
date: 2014/07/20 09:04:25; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.5
date: 2014/07/20 09:02:19; author: root; state: Exp; lines: +1 -1
\.
—————————-
revision 1.4
date: 2014/07/20 09:00:54; author: root; state: Exp; lines: +1 -1
*** empty log message ***
—————————-
revision 1.3
date: 2014/07/20 08:59:29; author: root; state: Exp; lines: +1 -1
changes
—————————-
revision 1.2
date: 2014/07/20 08:55:08; author: root; state: Exp; lines: +22 -1
delete funtion added
—————————-
revision 1.1
date: 2014/07/20 08:43:14; author: root; state: Exp;
Initial revision
=============================================================================

struct Sculldev
{
struct Scullqset *scullqset;

};

struct Scullqset
{
void **data;
struct Scullqset *next;
};
====================================================================================================
RCS file: ./scull.c,v
Working file: ./scull.c
head: 1.3
branch:
locks: strict
access list:
symbolic names:
keyword substitution: kv
total revisions: 3; selected revisions: 3
description:
Started the scullset and scullqset for drivers.
—————————-
revision 1.3
date: 2014/07/20 11:16:22; author: utkarsh; state: Exp; lines: +11 -3
With an option of writing in the file, and read hundred characters from the pre-created file.
Stored the characters into the structures scullqset.
—————————-
revision 1.2
date: 2014/07/18 19:52:25; author: utkarsh; state: Exp; lines: +100 -8
Implemented the required structure. And used the void **data.
—————————-
revision 1.1
date: 2014/07/18 09:33:35; author: utkarsh; state: Exp;
Initial revision
=============================================================================

To check the working of Detect_Loop function, i have created a loop for the first time when we add elements at the end.
After then it is fine, and normal again.
I have removed, almost every minute bugs in the program.
In this program you will never get a segmentation fault. Also your program will never terminate undesirably. Even if you enter multiple character at the menu..

==========================================
MAIN MENU
==========================================
1. Create link list
2. Insert elements.
3. Update an element.
4. View the linklist.
5. Delete an element.
6. Find an element.
7. Exit.
8. Detect a loop
Enter your choice:

===========================================
INSERT_MENU
==========================================
1. Insert at the end.
2. Insert at the top.
3. Insert after nth element.
4. Insert after key element.
5. Return to main menu.
6. Exit.
Enter your choice:

====================================================================================================
RCS file: ./linklist.c,v
Working file: ./linklist.c
head: 1.9
branch:
locks: strict
utkarsh: 1.9
access list:
symbolic names:
keyword substitution: kv
total revisions: 9; selected revisions: 9
description:
Completed upto view and insert.
Debugging messages are present in the code.
—————————-
revision 1.9 locked by: utkarsh;
date: 2014/07/20 10:40:07; author: utkarsh; state: Exp; lines: +17 -2
Added an option for restricted view, depends on user to see the number
of elements to be displayed. Reliable in a linklist with a loop within itself.
—————————-
revision 1.8
date: 2014/07/20 10:30:34; author: utkarsh; state: Exp; lines: +113 -78
Added an option of detecting a loop.
Restricted view to 15 elements only.
—————————-
revision 1.7
date: 2014/07/20 06:01:24; author: utkarsh; state: Exp; lines: +92 -13
Some extra bugs removed, which were returning Segmentation Fault on some occassions.
—————————-
revision 1.6
date: 2014/07/19 20:24:54; author: utkarsh; state: Exp; lines: +40 -1
Created the next function, Insertatn().
—————————-
revision 1.5
date: 2014/07/19 19:58:36; author: utkarsh; state: Exp; lines: +84 -18
Made an insert menu. With insert at top, insert at end implemented.
—————————-
revision 1.4
date: 2014/07/19 15:55:46; author: utkarsh; state: Exp; lines: +45 -20
Completed the whole linklist. Garbage code included.
—————————-
revision 1.3
date: 2014/07/19 08:15:25; author: utkarsh; state: Exp; lines: +20 -8
C
Created the function Delete().
—————————-
revision 1.2
date: 2014/07/19 07:20:06; author: utkarsh; state: Exp; lines: +17 -1
Created the update function.
—————————-
revision 1.1
date: 2014/07/19 06:49:54; author: utkarsh; state: Exp;
Initial revision
=============================================================================

==========================================
MENU
==========================================
1. Add Student records
2. Delete students records
3. Update students records
4. View all student records
5. Calculate an average of a selected student’s scores
6. Show student who gets the max total score
7. Show student who gets the min total score
8. Find student by ID
9. Sort records by total scores
Enter your choice:

====================================================================================================

RCS file: 4.c,v
Working file: 4.c
head: 1.10
branch:
locks: strict
utkarsh: 1.10
access list:
symbolic names:
keyword substitution: kv
total revisions: 10; selected revisions: 10
description:
Assignment question 4.
—————————-
revision 1.10 locked by: utkarsh;
date: 2014/07/17 09:25:20; author: utkarsh; state: Exp; lines: +114 -110
Removed the bug, passed the address of struct pointer. So that after reallocation, there is no logical errors.
—————————-
revision 1.9
date: 2014/07/17 08:26:30; author: utkarsh; state: Exp; lines: +132 -90
Sort function is stating some problem, doing some manipulations to sort it out
—————————-
revision 1.8
date: 2014/07/16 23:01:08; author: utkarsh; state: Exp; lines: +28 -21
Completed upto 8 functions with new prototype of scan(int).
—————————-
revision 1.7
date: 2014/07/16 22:09:26; author: utkarsh; state: Exp; lines: +32 -22
Made a new function scan to flush
stdin.
But it is not working that much fine.
—————————-
revision 1.6
date: 2014/07/16 21:18:12; author: utkarsh; state: Exp; lines: +66 -3
Adding some revisions
—————————-
revision 1.5
date: 2014/07/16 20:02:23; author: utkarsh; state: Exp; lines: +73 -6
Completed upto 5 option.
—————————-
revision 1.4
date: 2014/07/16 10:23:38; author: utkarsh; state: Exp; lines: +15 -35
Modified further more. Improved the format.
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date: 2014/07/16 10:11:02; author: utkarsh; state: Exp; lines: +1 -1
There was a mistake, that in realloc function, I entered size of new, which was
wrong.
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Some revisions
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date: 2014/07/16 09:57:31; author: utkarsh; state: Exp;
Initial revision
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RCS file: my_fnts.c,v
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date: 2014/07/19 06:15:53; author: root; state: Exp;
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1#include <stdio.h>
2 struct student
3 {
4        char name[50];
5            int roll;
6                float marks;
7 };
8 int main()
9 {
10 {
11         printf(“===========================================\n”);
12         printf(”                menu                       \n”);
13         printf(“===========================================\n”);
14         printf(“1.add student record\n”);
15         printf(“2.delete student record\n”);
16         printf(“3.update student record\n”);
17         printf(“4.view all student record\n”);
18 }
19
20 {
21   struct student s[10];
22    int i;
23   printf(“Enter information of students:\n”);
24  for(i=0;i<10;++i)
25   {
26      s[i].roll=i+1;
27      printf(“\nFor roll number %d\n”,s[i].roll);
28      printf(“Enter name: “);

29      scanf(“%s”,s[i].name);
30      printf(“Enter marks: “);
31      scanf(“%f”,&s[i].marks);
32      printf(“\n”);
33
34       }
35     printf(“Displaying information of students:\n\n”);
36     for(i=0;i<10;++i)
37    printf(“\nInformation for roll number %d:\n”,i+1);
38     printf(“Name: “);
39     puts(s[i].name);
40    printf(“Marks: %.1f”,s[i].marks);
41
42 }  return 0;
43 }

note:- till date output is

enter roll no

enter student name

RCS file: file.c,v
Working file: file.c
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date: 2014/07/19 05:48:07; author: amardeep; state: Exp; lines: +4 -1
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date: 2014/07/18 07:34:12; author: amardeep; state: Exp; lines: +1 -1
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date: 2014/07/18 07:31:37; author: amardeep; state: Exp;
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RCS file: function.c,v
Working file: function.c
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open_function
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RCS file: header.h,v
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RCS file: 7th_q_4.c,v
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