strings.c

#include <stdio.h>
#include <string.h>
char tracks[][80] = {
  "I left my heart in Harvard Med School",
  "Newark, Newark - a wonderful town",
  "Dancing with a Dork",
  "From here to maternity",
  "The girl from Iwo Jima",
};

void find_track(char search_for[]) {
  for(int i = 0; i < 5; i++) {
    if(strstr(tracks[i], search_for)) {
      printf("Track %i: '%s'\n", i+1, tracks[i]);
    }
  }
}

void reverse(char *str) {
  size_t length = strlen(str);
  char *t = str + (length - 1);
  while(t >= str) {
    printf("%c", *t);
    t = t - 1;
  }
  puts("");
}
int main(){

  char search_for[80];
  puts("Search for:");
  scanf("%79s", search_for);
  search_for[strlen(search_for) - 1] = '\0';
  find_track(search_for);
  reverse("ABC");
  return 0;
}