tmpnam, tempnam, mktemp 임시 파일명 생성 api

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
    char *fname;
    char fntmp[BUFSIZ];
    char template[32];

    fname = tmpnam(NULL);
    printf("1. TMP File Name(tmpnam) : %s\n", fname);

    tmpnam(fntmp);
    printf("2. TMP File Name(tmpnam) : %s\n", fntmp);

    fname = tempnam("/tmp", "hanbit");
    printf("3. TMP File Name(tempnam) : %s\n", fname);

    strcpy(template, "/tmp/hanbitXXXXXX");
    fname = mktemp(template);
    printf("4. TMP File Name(mktemp) : %s\n", fname);


    return 0;
}

결과