Manipulating byte strings (UNIX domain)

Aside from the address-related database routines, there are

several other routines available in the run-time library which are intended mostly to simplify manipulation of names and addresses. The following table summarizes the routines for manipulating variable length byte strings.

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 C Run-Time Routines 
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 Call                   Synopsis 

 memcmp(s1,s2,n)        compare n bytes of strings s1 and s2
 memcpy(s2,s1,n)        copy n bytes from s1 to s2
 memset(base,'\0',n)    zero-fill n bytes starting at base