void Psprintf(char *outBuf,const char *inFormat,...)
{
    va_list theVA;
    int theI;
    char *theCp;
    char theCb[16];
    static char theN[] = "0123456789ABCDEF";

    va_start(theVA,inFormat);

    while(*inFormat){
        if(*inFormat == '%'){
            switch(*(inFormat+1)){

            case 'c':
                theI = va_arg(theVA,int);
                if(isprint(theI)){
                    *outBuf++ = (char)theI;
                }else{
                    *outBuf++ = '?';
                }
                inFormat += 2;
                break;

            case 'd':
                theI = va_arg(theVA,int);
                if(theI < 0){
                    *outBuf++ = '-';
                    theI *= -1;
                }
                theCp = theCb;
                while(theI >= 10){
                    *theCp++ = theN[theI % 10];
                    theI /= 10;
                }
                *theCp++ = theN[theI];
                while(--theCp >= theCb){
                    *outBuf++ = *theCp;
                }
                inFormat += 2;
                break;

            case 's':
                theCp = va_arg(theVA,char *);
                while(*theCp){
                    *outBuf++ = *theCp++;
                }
                inFormat += 2;
                break;

            case 'x':
                theI = va_arg(theVA,int);
                if(theI < 0){
                    *outBuf++ = '-';
                    theI *= -1;
                }
                theCp = theCb;
                while(theI >= 16){
                    *theCp++ = theN[theI % 16];
                    theI /= 16;
                }
                *theCp++ = theN[theI];
                while(--theCp >= theCb){
                    *outBuf++ = *theCp;
                }
                inFormat += 2;
                break;

            case '%':
                *outBuf++ = '%';
                inFormat += 2;
                break;

            default:
                *outBuf++ = *inFormat++;
                break;
            }
        }else{
            *outBuf++ = *inFormat++;
        }
    }
    *outBuf = '\0';

    va_end(theVA);
}