C String Test - 2 - Sanfoundry

1. Which of the given function is used to return a pointer to the located character?

strrchr()

memchar()

strxfrm()

strchar()

2. The______ function returns the number of characters that are present before the terminating null character.

strchr()

strlength()

strlen()

strlent()

3. The C library function _________ breaks string s1 into a series of tokens using the delimiter s2.

char *strstr(char *s2,const char *s1);

char *strstr(char *s1,const char *s2);

char *strtok(char *s2,const char *s1);

char *strtok(char *s1,const char *s2);

4. What will be the output of the following C code?

const char str1[] = "abcdef";
const char str2[] = "fgha";
char *mat;
mat= strpbrk(str1, str2);
if(mat)
printf("First matching character: %c\n", *mat);
else
printf("Character not found");

5. which of the following function returns a pointer to the located string or a null pointer if string is not found.

strtok()

strspn()

strstr()

strrchr()

6. The strpbrk() function is used to return a pointer to the character, or a null pointer if no character from s2 occurs in s1.

true

false

7. The______function returns a pointer to the first character of a token.

strstr()

strtok()

strspn()

strcpy()

8. What will be the output of the following C code?

char str1[] = "Helloworld ";
char str2[] = "Hello";
len = strspn(str1, str2);
printf("Length of initial segment matching %d\n", len );

no match

9. Is there any function declared as strstr()?

true

false

10. What is the return value of strxfrm()?

length of the transformed string, including the terminating null-character

length of the transformed string, not including the terminating null-character

display the transformed string, not including the terminating null character

display the transformed string, not including the terminating null-character