Zilog Z80380 Bedienungsanleitung PDF herunterladen (Seite 69)

UM004001-COR1103 4–5

Run Time Environment Library Functions

LIBRARY FUNCTIONS

Run-time library routines are provided for the following:

• Buffer Manipulation

• Character Classification and Conversion

• Data Conversion

• Math

• Searching and Sorting

• String Manipulation

• Variable-Length Argument Lists

• Intrinsic functions

_asm FUNCTION

Header file statement: #include <zilog.h>

Syntax: _asm ("assembly language instruction")

The _asm pseudo-function emits the specified assembly language instruction to the compiler-

generated assembly file. The _asm pseudo-function accepts a single parameter, which must

be a string literal.

Return Value

There is no return value.

abs FUNCTION

Header file statement: #include<stdlib.h>

Syntax: int abs( int n );

The abs function returns the absolute value of its integer parameter n.

Return Value

The abs function returns the absolute value of its parameter. There is no error return.

Parameter Description

n Integer Value

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Zilog Z80380 Bedienungsanleitung Seite 69