sources += files( 'io.h', 'fgetc.c', 'fputc.c', 'stdstream.c', 'feof.c', 'vsnprintf.c', 'vfprintf.c', 'setvbuf.c', 'vfwprinf.c', 'vswprintf.c', 'vswscanf.c', 'vsscanf.c', 'vfwscanf.c', 'vfscanf.c', )