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Amiga Format CD 41
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Amiga Format CD41 (1999-06)(Future Publishing)(GB)[!][issue 1999-07].iso
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parseargs.h
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C/C++ Source or Header
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1999-04-28
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2KB
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72 lines
/*
* parseargs.h
*
* Command line argument parser.
*
* Copyright 1996 Derek B. Noonburg
*/
#ifndef PARSEARGS_H
#define PARSEARGS_H
#ifdef __cplusplus
extern "C" {
#endif
#include "gtypes.h"
/*
* Argument kinds.
*/
typedef enum {
argFlag, /* flag (present / not-present) */
/* [val: GBool *] */
argInt, /* integer arg */
/* [val: int *] */
argFP, /* floating point arg */
/* [val: double *] */
argString, /* string arg */
/* [val: char *] */
/* dummy entries -- these show up in the usage listing only; */
/* useful for X args, for example */
argFlagDummy,
argIntDummy,
argFPDummy,
argStringDummy
} ArgKind;
/*
* Argument descriptor.
*/
typedef struct {
char *arg; /* the command line switch */
ArgKind kind; /* kind of arg */
void *val; /* place to store value */
int size; /* for argString: size of string */
char *usage; /* usage string */
} ArgDesc;
/*
* Parse command line. Removes all args which are found in the arg
* descriptor list <args>. Stops parsing if "--" is found (and removes
* it). Returns gFalse if there was an error.
*/
extern GBool parseArgs(ArgDesc *args, int *argc, char *argv[]);
/*
* Print usage message, based on arg descriptor list.
*/
extern void printUsage(char *program, char *otherArgs, ArgDesc *args);
/*
* Check if a string is a valid integer or floating point number.
*/
extern GBool isInt(char *s);
extern GBool isFP(char *s);
#ifdef __cplusplus
}
#endif
#endif