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UnixFuncPrototypes.h

// This header file is meant to use the Visual C++ compiler
// to compile code for Unix. Thus, there are a number of
// functions and data types that need to be defined.

#ifndef __UNIX_FUNC_PROT__
#define __UNIX_FUNC_PROT__

#ifndef WIN32

#include <unistd.h>
#include <getopt.h>
#include <signal.h>
#include <sys/wait.h>
extern "C" {
        #include <ppm.h>
}

#else

// CONSTANTS
#define SIGALRM 0
#define SIGKILL 0
#define WIFEXITED(A) 1

// DATA TYPES
typedef unsigned long pid_t;
typedef int pixel;
typedef int pixval;

struct option {
        const char *name;
        int has_arg;
        int *flag;
        int val;
};

char* optarg = NULL;
int optind = 0;

// FUNCTIONS
pid_t fork(void) { return 0; }
unsigned int alarm(unsigned int seconds)  { return 0; }
pid_t waitpid(pid_t pid, int *status, int options)  { return 0; }
void (*signal(int signum, void (*handler)(int)))(int) { return 0;}
int kill(pid_t pid, int sig)  { return 0; }

int getopt_long_only (int, char**, const char*, struct option*, int *);

// lib PPM functions
pixel** ppm_allocarray( int cols, int rows );
pixel* ppm_allocrow( int cols );
void ppm_freearray( pixel** pixels, int rows );
void pbm_freerow( pixel* pixelrow );
void ppm_readppminit( FILE* fp, int* colsP, int* rowsP, pixval* maxvalP, int* formatP );
void ppm_readppmrow( FILE* fp, pixel* pixelrow, int cols, pixval maxval, int format );
pixel** ppm_readppm( FILE* fp, int* colsP, int* rowsP, pixval* maxvalP );
void ppm_writeppminit( FILE* fp, int cols, int rows, pixval maxval, int forceplain );
void ppm_writeppmrow( FILE* fp, pixel* pixelrow, int cols, pixval maxval, int forceplain );
void ppm_writeppm( FILE* fp, pixel** pixels, int cols, int rows, pixval maxval, int forceplain );

#endif // no WIN32
#endif //__UNIX_FUNC_PROT__

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