musl/arch/powerpc/syscall_arch.h

#define __SYSCALL_LL_E(x) \
((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
((union { long long ll; long l[2]; }){ .ll = x }).l[1]
#define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))

#define _NSIG 64
#define __SYSCALL_SSLEN (_NSIG/8)

long (__syscall)(long, ...);

static inline long __syscall0(long n)
{
	return (__syscall)(n, 0, 0, 0, 0, 0, 0);
}

static inline long __syscall1(long n, long a)
{
	return (__syscall)(n, a, 0, 0, 0, 0, 0);
}

static inline long __syscall2(long n, long a, long b)
{
	return (__syscall)(n, a, b, 0, 0, 0, 0);
}

static inline long __syscall3(long n, long a, long b, long c)
{
	return (__syscall)(n, a, b, c, 0, 0, 0);
}

static inline long __syscall4(long n, long a, long b, long c, long d)
{
	return (__syscall)(n, a, b, c, d, 0, 0);
}

static inline long __syscall5(long n, long a, long b, long c, long d, long e)
{
	return (__syscall)(n, a, b, c, d, e, 0);
}

static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
{
	return (__syscall)(n, a, b, c, d, e, f);
}

#define __SC_socket      1
#define __SC_bind        2
#define __SC_connect     3
#define __SC_listen      4
#define __SC_accept      5
#define __SC_getsockname 6
#define __SC_getpeername 7
#define __SC_socketpair  8
#define __SC_send        9
#define __SC_recv        10
#define __SC_sendto      11
#define __SC_recvfrom    12
#define __SC_shutdown    13
#define __SC_setsockopt  14
#define __SC_getsockopt  15
#define __SC_sendmsg     16
#define __SC_recvmsg     17