#include <stdio.h>
#include <stdint.h>
#include <string.h>
void split_string(const char *str, char delimiter, char tokens[10][20], uint8_t *count) {
    int start, end = 0;
    while (true) {
        if (str[end] != delimiter && str[end] != '\0') {
            end++;
            continue;
        }
        int j = 0;
        for (; start < end; j++) {
            tokens[*count][j] = str[start];
            start++;
        }
        tokens[*count][j] = '\0';
        *count = *count + 1;
        if (str[end] == '\0') return;
        end++;
        start = end;
    }
}
int main() {
    char str[101];
    char delimiter;
    fgets(str, sizeof(str), stdin);
    scanf(" %c", &delimiter);
    // Remove newline
    uint8_t i = 0;
    while (str[i]) {
        if (str[i] == '\n') { str[i] = '\0'; break; }
        i++;
    }
    char tokens[10][20];
    uint8_t count = 0;
    split_string(str, delimiter, tokens, &count);
    for (uint8_t i = 0; i < count; i++) {
        printf("%s\n", tokens[i]);
    }
    return 0;
}
Input
cmd1,cmd2,cmd3 ,
Expected Output
cmd1 cmd2 cmd3