read() & write() system calls

read() & write() system calls

􀁺 The read() system call does all input and the write()
system call does all output.
int read(file_descriptor, buffer_pointer, transfer_size)
int file_descriptor;
char *buffer_pointer;
unsigned transfer_size;
int write(file_descriptor, buffer_pointer, transfer_size)
int file_descriptor;
char *buffer_pointer;
unsigned transfer_size;