Function capstone_sys::cs_reg_name

pub unsafe extern fn cs_reg_name(handle: csh, reg_id: c_uint) -> *const c_char

Return friendly name of register in a string. Find the instruction id from header file of corresponding architecture (arm.h for ARM, x86.h for X86, ...)

WARN: when in 'diet' mode, this API is irrelevant because engine does not store register name.

handle: handle returned by cs_open() reg_id: register id

return: string name of the register, or NULL if reg_id is invalid.