https://forum.lowyat.net/topic/3470685/+0

noloop.c

// Heya, https://forum.lowyat.net/topic/3470685/+0
// Tested on clang-600.0.56 and gcc 4.8.2
// TWVzc2luZyB3aXRoIG5vb2JzLCBvbmUgZXhhbXBsZSBhdCBhIHRpbWUsIHllcywgSSBoYXZlIGJldHRlciB3b3JrIHRvIGRvLg==

#include <stdio.h>
#include <limits.h>

struct rank {
    char member[50];
    int mark;
};

// Loops are for weaklings, function^Wtail recursion ftw!
void doScore(FILE *fp, int n, struct rank *player) {
    printf("Enter you[sic] name: ");

    // sizeof player's member. lol.
    if (!fgets((*player).member, sizeof((*player).member), stdin)) {
        return;
    }

    // Handle disk full gracefully
    if (!fprintf(fp, "%d) Name:%s Score:%d\n",n, (*player).member, (*player).mark)) {
        return;
    }
    if (!fprintf(fp, "_________________\n\n")) {
        return;
    }

    // We don't want integer wrap around of course!
    if (n == INT_MAX) {
        return;
    }
    doScore(fp, n + 1, player);
}

int main(int argc, char *argv[]) {
    int score = 20;
    struct rank player;
    FILE *fp;
    player.mark = score;
   
    fp = fopen("result.txt", "a+");
    if (!fp) {
        // Be nice, we don't have exception handling in C
        fprintf(stderr, "Don't lar try to write to stuff you have no permission for.\n");
        return -1;
    }

    doScore(fp, 1, &player);

    // RAII?
    fclose(fp);
    return 0;
}