Implement a Simple Shell Command Parser

#include <stdio.h>
#include <ctype.h>

void parse_shell_input(char *line) {
    int i = 0;
    int row = 0;
    int col = 0;
    char tokens[20][20];

    while(line[i] != '\0'){
        if(line[i] != ' '){
            tokens[row][col] = line[i];
            col++;
        }else{
            if(col > 0){
                tokens[row][col] = '\0';
                row++;
                col = 0;
            }
        }
        i++;
    }
    tokens[row][col] = '\0';
    for(int i=0; i<row+1; i++){
        printf("%s\n",tokens[i]);
    }
}

int main() {
    char line[101];
    fgets(line, sizeof(line), stdin);

    parse_shell_input(line);
    return 0;
}