param.h

#ifndef PARAM_HINCLUDED
#define PARAM_HINCLUDED

/* Header for parameter parsing module.
 * First implemented by Joachim Stadel in PKDGRAV.
 */
#ifdef __cplusplus
extern "C" {
#endif

enum TypeParam {
    paramBool = 0,
    paramInt = 1,
    paramDouble = 2,
    paramString = 3
};

typedef struct prmNode {
    struct prmNode *pnNext;
    char *pszName;
    int iType;
    int bArg;
    int bFile;
    int iSize;
    void *pValue;
    char *pszArg;
    char *pszArgUsage;
    } PRM_NODE;

typedef struct prmContext {
    PRM_NODE *pnHead;
        PRM_NODE *pnTail; 
    void (*fcnLeader)(void);
    void (*fcnTrailer)(void);
    } * PRM;

#define PRM_LINE_SIZE   256

void prmInitialize(PRM *,void (*)(void),void (*)(void));
void prmFinish(PRM);
void prmAddParam(PRM,const char *,int,void *,int,const char *,const char *);
void prmArgUsage(PRM prm);
void prmLogParam(PRM prm, const char *pszFile);
int prmParseParam(PRM,char *);
int prmArgProc(PRM,int,char **, int);
int prmSpecified(PRM,const char *);
int prmArgSpecified(PRM,const char *);
int prmFileSpecified(PRM,const char *);
#ifdef __cplusplus
}
#endif

#endif