Database C function-bcmp

Source: Internet
Author: User

Prototype: extern int bcmp (const void * S1, const void * S2, int N );

Usage: # include <string. h>

Function: Compares the first n Bytes of the string S1 and S2.

NOTE: If S1 = S2 or n = 0, zero is returned; otherwise, a non-zero value is returned. Bcmp does not check null.

Example:

// Bcmp. c

# Include <syslib. h>

# Include <string. h>

Main ()

{

Char * S1 = "golden Global View ";

Char * S2 = "golden Global View ";

Clrscr (); // clear screen

If (! Bcmp (S1, S2, 7 ))

Printf ("S1 equal to S2 in first 7 bytes ");

Else

Printf ("S1 not equal to S2 in first 7 bytes ");

Getchar ();

Clrscr ();

If (! Bcmp (S1, S2, 12 ))

Printf ("S1 equal to S2 in first 12 bytes ");

Else

Printf ("S1 not equal to S2 in first 12 bytes ");

Getchar ();

Return 0;

}

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