View Compilation Error

2_20939_1510802_17925.cpp: In function `int checkline(int, int)':
2_20939_1510802_17925.cpp:20: error: `itoa' undeclared (first use this function)
2_20939_1510802_17925.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.)