Functions
- Which function is responsible for searching in the table? (For #define IN 1, the name IN and replacement text 1 are stored in a “table”)
-
View Hint View Answer Discuss in Forum
NA
Correct Option: D
lookup(s);
- What will be the output of the following C code?
#include <stdio.h>
int main()
{
struct S
{
char *name;
struct S *next;
};
struct S s1, s2;
s1.name = "Ajit Kumar Gupta";
s1.next = NULL;
ptrary[0] = &s1;
strcpy(s2.name, s1.name);
ptrary[1] = &s2;
printf("%s\n", ptrary[1]->name);
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: B
Compilation Error
main.c: In function ‘main’:
main.c:12:9: error: ‘ptrary’ undeclared (first use in this function)
ptrary[0] = &s1;
^~~~~~
main.c:12:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:9: warning: implicit declaration of function ‘strcpy’ [-Wimplicit-function-declaration]
strcpy(s2.name, s1.name);
^~~~~~
main.c:13:9: warning: incompatible implicit declaration of built-in function ‘strcpy’
main.c:13:9: note: include ‘’ or provide a declaration of ‘strcpy’
- What will be the output of the following C code?
#include <stdio.h>
struct M
{
char *name;
struct M *next;
};
struct M *ptrary[10];
int main()
{
struct M m1, m2;
m1.name = "xyz";
m1.next = NULL;
ptrary[0] = &m1;
strcpy(m2.name, m1.name);
ptrary[1] = &m1;
printf("%s\n", ptrary[1]->name);
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: D
Segmentation fault
- What will be the output of the following C code?
#include <stdio.h>
struct Z
{
char *name;
struct Z *next;
};
struct Z *ptrary[10];
int main()
{
struct Z z;
z.name = "Raj";
z.next = NULL;
ptrary[0] = &z;
printf("%s\n", ptrary[0]->name);
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
Raj
- What will be the output of the following C code?
#include <stdio.h>
struct B
{
char *name;
struct B *next;
};
struct B *ptrary[10];
int main()
{
struct B b;
b->name = "Raj";
b->next = NULL;
ptrary[0] = &b;
printf("%s\n", b->name);
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: A
Compilation Error
main.c: In function ‘main’:
main.c:11:10: error: invalid type argument of ‘->’ (have ‘struct B’)
b->name = "Raj";
^~
main.c:12:10: error: invalid type argument of ‘->’ (have ‘struct B’)
b->next = NULL;
^~
main.c:14:25: error: invalid type argument of ‘->’ (have ‘struct B’)
printf("%s\n", b->name);
