strchr, strrchr

#include <string.h>

char *strchr(const char *s, int c);

char *strrchr(const char *s, int c);

The strchr() function returns a pointer to the first occurrence of the character c in the string s.

The strrchr() function returns a pointer to the last occurrence of the character c in the string s.

The strchr() and strrchr() functions return a pointer to the matched character or NULL if the character is not found.

SVID 3, POSIX, BSD 4.3, ISO 9899

index(3), memchr(3), rindex(3), strpbrk(3), strsep(3), strspn(3), strstr(3), strtok(3)