NAME

swab - swap bytes

SYNOPSIS

#include <stdlib.h> void swab (const char *from,  char  *to,
int nbytes);

DESCRIPTION

swab copies nbytes bytes pointed to by from to the array pointed to by to, exchanging adjacent even and odd bytes. nbytes should be even and non-negative. If nbytes is odd and positive, swab uses nbytes-1 instead. If nbytes is negative, swab does nothing.