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#ifndef _IO_FRONTEND_HPP
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#define _IO_FRONTEND_HPP
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#include <stdlib.h> /* Provides exit */
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#include <stdio.h> /* Provides printf, scanf, sscanf */
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#include <unistd.h> /* Provides isatty */
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int ISATTY;
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/* Standard Input procedures **************/
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bool _get_bool(char* n){
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char b[512];
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bool r = 0;
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int s = 1;
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char c;
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do {
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if(ISATTY) {
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if((s != 1)||(r == -1)) printf("\a");
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printf("%s (1,t,T/0,f,F) ? ", n);
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}
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if(scanf("%s", b)==EOF) exit(0);
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s = sscanf(b, "%c", &c);
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r = -1;
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if((c == '0') || (c == 'f') || (c == 'F')) r = 0;
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if((c == '1') || (c == 't') || (c == 'T')) r = 1;
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} while((s != 1) || (r == -1));
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return r;
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}
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int _get_int(char* n){
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char b[512];
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int r;
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int s = 1;
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do {
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if(ISATTY) {
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if(s != 1) printf("\a");
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printf("%s (integer) ? ", n);
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}
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if(scanf("%s", b)==EOF) exit(0);
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s = sscanf(b, "%d", &r);
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} while(s != 1);
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return r;
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}
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double _get_double(char* n){
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char b[512];
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double r;
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int s = 1;
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do {
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if(ISATTY) {
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if(s != 1) printf("\a");
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printf("%s (double) ? ", n);
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}
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if(scanf("%s", b)==EOF) exit(0);
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s = sscanf(b, "%lf", &r);
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} while(s != 1);
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return r;
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}
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/* Standard Output procedures **************/
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void _put_bool(char* n, bool _V){
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if(ISATTY) {
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printf("%s = ", n);
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} else {
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printf("'%s': ", n);
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};
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printf("'%i' ", (_V)? 1 : 0);
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}
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void _put_int(char* n, int _V){
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if(ISATTY) {
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printf("%s = ", n);
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} else {
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printf("'%s': ", n);
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};
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printf("'%d' ", _V);
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}
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void _put_float(char* n, float _V, int PREC){
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if(ISATTY) {
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printf("%s = ", n);
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} else {
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printf("'%s': ", n);
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};
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printf("'%.*f' ", PREC, _V);
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printf("\n");
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}
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void _put_double(char* n, double _V, int PREC){
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if(ISATTY) {
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printf("%s = ", n);
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} else {
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printf("'%s': ", n);
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};
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printf("'%.*f' ", PREC, _V);
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printf("\n");
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}
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#endif
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