func: static void goodB2G1() char * data ; char dataBuffer [ 100 ] = "" ; data = dataBuffer; if ( 1 )  size_t dataLen = strlen ( data ) ; char * environment = GETENV ( ENV_VARIABLE ) ; if ( environment != NULL )  strncat ( data + dataLen , environment , 100 - dataLen - 1 ); if ( 0 )  fprintf ( stdout , "%s\n" , data ); 