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30 lines
777 B
C
30 lines
777 B
C
/**********************************************************************
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* STRNCPY - copies at most n chars from one string to another
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*
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* BYTE *strcpy(s1,s2,n)
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* BYTE *s1, *s2;
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* UWORD n;
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*
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* Copies at most n bytes from s2 to s1, stopping after null
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* has been moved.
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* Truncates or null-pads s2, depending on n.
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* Returns s1.
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* No check for overflow of s1.
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***********************************************************************/
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#include <portab.h>
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BYTE * strncpy(s1,s2,num) /* CLEAR FUNCTION ***********/
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BYTE *s1;
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REG BYTE *s2;
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WORD num;
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{ REG BYTE *cp;
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for( cp=s1; num-- > 0 && (*cp = *s2); cp++,s2++ ) /* isn't C fun? */
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;
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num++; /* bump n back up. */
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while( num-- ) /* while #chars != 0 */
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*cp++ = NULL; /* null pad. */
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return(s1);
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}
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