__NR_getppid      141 arch/arm64/include/asm/unistd32.h #define __NR_getppid 64
__NR_getppid       82 arch/sh/include/uapi/asm/unistd_64.h #define __NR_getppid		 64
__NR_getppid      523 include/uapi/asm-generic/unistd.h #define __NR_getppid 173
__NR_getppid      523 tools/include/uapi/asm-generic/unistd.h #define __NR_getppid 173