Read text file line by line, implemented in C.

read_txt_line_by_line.c

/*
Read text file line by line, implemented in C.
*/

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

int main() {
    const char* txt_pth = "input.txt";
    FILE* fin = fopen(txt_pth, "r");

    char line[1024];
    int buf_size = sizeof(line);

    void* ret = NULL;
    while(true) {
        memset(line, 0, buf_size);
        ret = fgets(line, buf_size, fin);
        if(ret==NULL) break;
        line[strlen(line)] = '\0'; // trim '\n'
        printf("you read %s\n", line);
    }

    fclose(fin);

    return 0;
}