Question: Which of the following function is used to find the first occurrence of a string in another string?
A strchr ( )
B strrchr ( )
c. strstr ( )
D.strnset ( )
Answer: strstr ( )
| Function | Prototype | Purpose |
| strstr() | · char *strstr(const char *haystack
· const char *needle) |
Find the first occurrence of a specified substring needle within a string haystack. |
| strchr() | · char *strchr(const char *str, int c) | Find the first occurrence of a specified character c in a string str. |
| strrchr() | · char *strrchr(const char *str, int c) | Find the last occurrence of a specified character c in a string str. |
| strnset() | · char *strnset(char *str, int c, size_t n) | Set the first n characters of a string str to a specified character c. |