manual.c

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/select.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <zlib.h>

#define CHUNK 16384

#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
#  include <fcntl.h>
#  include <io.h>
#  define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
#else
#  define SET_BINARY_MODE(file)
#endif

unsigned char decompressGzip(const char *gzFileName, const char *destFileName) {
	gzFile gzf = gzopen(gzFileName, "rb");
	FILE *destFile = fopen(destFileName, "wb");

	SET_BINARY_MODE(gzf);
	char buffer[CHUNK];
	int num_read = 0;
	int total_read = 0;

	while((num_read = gzread(gzf, buffer, sizeof(buffer))) > 0) {
		printf("Num read %d\n", num_read);
		total_read += num_read;
		if(num_read != fwrite(buffer, 1, num_read, destFile)) printf("Something");
	}

	printf("Total read: %d\n", total_read);
	printf("EOF %d\n", gzeof(gzf));

	gzclose(gzf);
	fclose(destFile);

	//remove(gzFileName);

	return 0;
}