simple address book

/*
Updated: 18 january 2013
*/

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

int main( int argc, char *argv[] ) {

    char* personFirstName = argv[1];
    char* peronSecondName = argv[2];
    char* phoneNumber = argv[3];

    FILE *dataFile;
    dataFile = fopen( "userdata.txt", "a" );
    fprintf( dataFile, "%s %s %s\n", personFirstName, peronSecondName, phoneNumber );
    fclose( dataFile );

    return 0;
}