1 #include "stdio_impl.h" 2 #include <pthread.h> 3 4 #undef stderr 5 6 static pthread_mutex_t locallock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; 7 static unsigned char buf[UNGET]; 8 hidden FILE __stderr_FILE = { 9 .buf = buf+UNGET, 10 .buf_size = 0, 11 .fd = 2, 12 .flags = F_PERM | F_NORD, 13 .lbf = -1, 14 .write = __stdio_write, 15 .seek = __stdio_seek, 16 .close = __stdio_close, 17 .lock = &locallock, 18 }; 19 FILE *const stderr = &__stderr_FILE; 20 FILE *volatile __stderr_used = &__stderr_FILE; 21