res_send: use a temp buffer if caller's buffer is under 512 bytes

[musl] / src / thread / mipsn32 / __unmapself.s

.set    noreorder
.global __unmapself
.type   __unmapself,@function
__unmapself:
        li      $2, 6011
        syscall
        li      $4, 0
        li      $2, 6058
        syscall