strchr()

  #include <string.h>

  

  char *strchr(const char *p, int ch);

  

strchr() looks for character ch in string p. If ch is ' \0', the function looks for the end of the string.

A pointer to the character, if found; if there is no such character in *p, NULL is returned.

memchr(),

strrchr(), and

strstr()