Zilog ZUSBOPTS Bedienungsanleitung PDF herunterladen (Seite 439)

100

101

UM017105-0511 Standard Functions

Zilog Developer Studio II – ZNEO™

User Manual

411

Example

char str []="1.234";

double x;

x= atof(str);

atoi

Converts the string pointed to by nptr to int representation. Except for the behavior on

error, it is equivalent to

(int)strtol(nptr, (char **)NULL, 10).

Synopsis

#include <stdlib.h> 

int atoi(const char *nptr);

Returns

The converted value.

Example

char str []="50";

int x;

x=atoi(str);

atol

Converts the string pointed to by nptr to long int representation. Except for the behavior

on error, it is equivalent to

strtol(nptr, (char **)NULL, 10).

Synopsis

#include <stdlib.h>

long int atol(const char *nptr);

Returns

The converted value.

Example

char str[]="1234567";

long int x;

x=atol(str);

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