HelenOS sources

__syscall6         48 uspace/lib/c/arch/abs32le/include/libarch/syscall.h #define __syscall6  __syscall
__syscall6         48 uspace/lib/c/arch/ia32/include/libarch/syscall.h #define __syscall6  __syscall_slow
__syscall6         49 uspace/lib/c/arch/riscv64/include/libarch/syscall.h #define __syscall6  __syscall
__syscall6         48 uspace/lib/c/arch/sparc64/include/libarch/syscall.h #define __syscall6	__syscall
__syscall6         55 uspace/lib/c/include/syscall.h #define __syscall6  __syscall
__syscall6         55 uspace/lib/posix/include/libc/syscall.h #define __syscall6  __syscall