C Programming - Strings

1.	Which of the following function sets first n characters of a string to a given character?
	A. strinit() B. strnset() C. strset() D. strcset()

2.	If the two strings are identical, then strcmp() function returns
	A. -1 B. 1 C. 0 D. Yes

3.	How will you print \n on the screen?
	A. printf("\n"); B. echo "\\n"; C. printf('\n'); D. printf("\\n");

4.	The library function used to find the last occurrence of a character in a string is
	A. strnstr() B. laststr() C. strrchr() D. strstr()

5.	Which of the following function is used to find the first occurrence of a given string in another string?
	A. strchr() B. strrchr() C. strstr() D. strnset()

6.	Which of the following function is more appropriate for reading in a multi-word string?
	A. printf(); B. scanf(); C. gets(); D. puts();

7.	Which of the following function is correct that finds the length of a string?
	A. int xstrlen(char *s) { int length=0; while(*s!='\0') { length++; s++; } return (length); } B. int xstrlen(char s) { int length=0; while(*s!='\0') length++; s++; return (length); } C. int xstrlen(char *s) { int length=0; while(*s!='\0') length++; return (length); } D. int xstrlen(char *s) { int length=0; while(*s!='\0') s++; return (length); }