コード:

#pragma warning(disable:4996)
#include <stdio.h>
#include <stdlib.h>

int main() {
	char character[2048][128];
	int cnt = 0;
	int cnt2 = 0;
	int cnt3 = 0;
	FILE *fp;
	char buf[128];
	if ((fp = fopen("test.txt", "r")) != NULL) {
		while (fgets(character[cnt], 128, fp) != NULL) {
			cnt++;
		}
		for (int i = 0; i < cnt; i++){
			cnt3 = 0;
			while (character[cnt2][cnt3] != '\0') {
				printf("%c", character[cnt2][cnt3]);
				//printf("%d,%d\n", cnt2, cnt3);
				cnt3++;
			}
			cnt2++;
		}
	}
	system("pause");
}

コード:

#pragma warning(disable:4996)
#include <stdio.h>

int main() {
	char character[2048][128];
	int cnt = 0;
	int cnt2 = 0;
	FILE *fp;
	char buf[128];
	if ((fp = fopen("test.txt", "r")) != NULL) {
		while (fgets(buf, 128, fp) != NULL) {
			cnt2 = 0;
			while (buf[cnt2] != int('\0')); {
				character[cnt][cnt2] = buf[cnt2];
				printf("%c", character[cnt][cnt2]);
				cnt2++;
			} 
			cnt++;
		}		
	}
	while (1) {}
}