/* A robust C function that is easy to maintain. */

#include <stdio.h>

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

#define BUFLEN 128

int fileHasLine(FILE *filePtr, const char *searchStr) {
  int foundFlag = FALSE;
  while ( ! feof(filePtr) ) {
    char bufStr[BUFLEN];
    int bufStrLen = 0; 
    char *strPtr = fgets(bufStr, BUFLEN-1, filePtr);
    bufStr[BUFLEN-1] = '\0';
    bufStrLen = strlen(bufStr);
    if ( bufStr[bufStrLen-1] == '\n' )
      bufStr[bufStrLen - 1] = '\0';
    if (strPtr &&
        strcmp(bufStr,searchStr) == 0) {
      foundFlag = TRUE;
      break;
    }
  }
  return(foundFlag);
}