SEI CERT C Coding Standard

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Code Block
bgColor#ccccff
#include <unistd.h>

FILE *file;

/* ... */

file = fopen(file_name, "w+");
if (fopen == NULL) {
  /* Handle error condition */
}

if (unlink(file_name); != 0) {
  /* Handle error condition */
}

/*... continue performing I/O operations on file ...*/

fclose(file);

...