#include <string.h>

int main()
{
  char *ptr;
  char *BUF=calloc(80, sizeof(char));
  
  strcpy(BUF, "lisa;123456789;female;brown;hazel");
  
  ptr = strchr(BUF, 'a');
  printf("ptr is %s\n", ptr);

  ptr = strrchr(BUF, 'a');
  printf("ptr is %s\n", ptr);

  ptr = strpbrk(BUF, "ewz");
  printf("ptr is %s\n", ptr);

  ptr = strstr(BUF, "mal");
  printf("ptr is %s\n", ptr);

  return 0;
}