#include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <sys/types.h>#ifdef _WIN32#include <process.h>#else#include <sys/wait.h>#endif/* *	A simple filter for the templates */int main(int argc, char *argv[]){	char buf[1024];	char *vec[8192];	char *fvec[200];	char **svec;	char type[64];	int i;	int vp=2;#ifndef _WIN32	pid_t pid;#endif	if(chdir(getenv("TOPDIR")))	{		perror("chdir");		exit(1);	}		/*	 *	Build the exec array ahead of time.	 */	vec[0]="kernel-doc";	vec[1]="-docbook";	for(i=1;vp<8189;i++)	{		if(argv[i]==NULL)			break;		vec[vp++]=type;		vec[vp++]=argv[i];	}	vec[vp++]=buf+2;	vec[vp++]=NULL;		/*	 *	Now process the template	 */	 	while(fgets(buf, 1024, stdin))	{		if(*buf!='!') {			printf("%s", buf);			continue;		}		fflush(stdout);		svec = vec;		if(buf[1]=='E')			strcpy(type, "-function");		else if(buf[1]=='I')			strcpy(type, "-nofunction");			else if(buf[1]=='F') {			int snarf = 0;			fvec[0] = "kernel-doc";			fvec[1] = "-docbook";			strcpy (type, "-function");			vp = 2;			for (i = 2; buf[i]; i++) {				if (buf[i] == ' ' || buf[i] == '\n') {					buf[i] = '\0';					snarf = 1;					continue;				}				if (snarf) {					snarf = 0;					fvec[vp++] = type;					fvec[vp++] = &buf[i];				}			}			fvec[vp++] = &buf[2];			fvec[vp] = NULL;			svec = fvec;		} else		{			fprintf(stderr, "Unknown ! escape.\n");			exit(1);		}#ifdef _WIN32		if(!_spawnvp(_P_WAIT, "doc/kernel-doc", svec))		{	       		perror("exec scripts/kernel-doc");			exit(1);		}#else		switch(pid=fork())		{		case -1:			perror("fork");			exit(1);		case  0:			execvp("doc/kernel-doc", svec);			perror("exec scripts/kernel-doc");			exit(1);		default:			waitpid(pid, NULL,0);		}#endif	}	exit(0);}