Function fgets_unlocked

examples/stdlib.c:3625–3652

}

static char *fgets_unlocked(char *s, int size, FILE *stream)
{
    if (stdio_stream_read_init(stream) < 0)
        return NULL;
    int i;
    for (i = 0; i < size-1; i++)
    {
        int c;
        if (stream->read_ptr < stream->read_end)
            c = (int)*stream->read_ptr++;
        else
        {
            c = fgetc_unlocked(stream);
            if (feof_unlocked(stream))
                break;
            if (ferror_unlocked(stream))
                return NULL;
        }
        s[i] = c;
        if (c == '\n')
        {
            i++;
            break;
        }
    }
    s[i] = '\0';
    return s;
}

static char *fgets(char *s, int size, FILE *stream)
{