sh-2.05b$ gcc linux-syscall.c -o lin
linux-syscall.c: In function `docall':
linux-syscall.c:41: warning: cast from pointer to integer of different size
linux-syscall.c:43: warning: cast to pointer from integer of different size
linux-syscall.c:49: warning: comparison between pointer and integer
linux-syscall.c: In function `main':
linux-syscall.c:66: warning: integer constant is too large for "long" type
linux-syscall.c:67: warning: integer constant is too large for "long" type
linux-syscall.c:68: warning: integer constant is too large for "long" type
linux-syscall.c:71: warning: cast to pointer from integer of different size
linux-syscall.c:104: error: `ORIG_RAX' undeclared (first use in this function)
linux-syscall.c:104: error: (Each undeclared identifier is reported only once
linux-syscall.c:104: error: for each function it appears in.)
sh-2.05b$