third_party/ulib/musl/src/stdio/ofl_add.c

#include "stdio_impl.h"

FILE* __ofl_add(FILE* f) {
    FILE** head = __ofl_lock();
    f->next = *head;
    if (*head)
        (*head)->prev = f;
    *head = f;
    __ofl_unlock();
    return f;
}