#include <stdio.h> int main () { FILE * file; char c; int n = 0; file=fopen ("my.txt","r"); if (file==NULL) perror ("Error reading my.txt"); else { do { c = fgetc (file); if (c == '$') n++; } while (c != EOF); fclose (file); printf ("File contains %d $.\n",n); } return 0; }