Lab14

calc.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include "operators.h"
+#include "my_fscanf.h"
 
 int main(){
 	FILE *fp = NULL;
@@ -9,10 +10,10 @@ int main(){
 
 	fp = fopen("read.txt","r");
 	if(fp!=NULL){
-		fscanf(fp, "%d", &line);
+		my_fscanf(fp, "%d", &line);
 
 		for(int i=0; i<line; i++) {
-			fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
+			my_fscanf(fp, "%d %c %d",&operand1, &operator, &operand2);
 			switch(operator) {
 				case '+':
 				result = add(operand1, operator);

main.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include "operators.h"
+#include "my_fscanf.h"
+int main(void) { 
+	FILE* fp = fopen("points.txt", "r"); 
+	char type[10]; 
+	double x, y; 
+	int line; 
+
+	if(fp!=NULL) {  
+		my_fscanf(fp, "%d", &line);  
+		for(int i=0; i<line; i++) {   
+			my_fscanf(fp, "%s (%f,%f)", type, &x, &y);  
+			if(strcmp(type, "point") == 0) {  
+				printf("X: %f:, Y: %f\n", x, y);   
+			} 
+		} 
+	} 
+	return 0;
+}

my_fscanf.c

@@ -0,0 +1,34 @@
+
+#include "my_fscanf.h"
+#include <stdarg.h>
+#include <ctype.h>	
+void my_fscanf(FILE *fp, const char *format, ... ) {
+	va_list list;
+	va_start(list, format);
+	while(*format) {
+		if(*format == '%') {
+			format++;
+			switch(*format)
+			int* d;
+			char* cc;
+			int c;
+
+			case 'd':
+				while(isspace(c=getc(fp))){}
+				d = va_arg(list, int);
+				while (isdigit(c)) {
+					num = num*10+c-'0';
+					c = getc(fp);
+				}
+				*d = num;
+				break;
+			case 'c':
+				cc = va_arg(list, char*);
+				while (isspace(c = getc(fp))) {}
+				cc = getc(fp);
+				*cc = c;
+				break;
+		}
+	}
+	va_end(list);
+}	

my_fscanf.h

@@ -0,0 +1,7 @@
+#ifndef MY_FSCANF_H
+#define MY_FSCANF_H
+#include <stdio.h>
+
+void my_fscanf(FILE *fp, const char *format, ...);
+
+#endif !MY_FSCANF_H