__NR_readv        149 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_readv 145
__NR_readv         23 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_readv 19
__NR_readv        285 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_readv (__X32_SYSCALL_BIT + 515)