Сделал задание номер 3 (35)

Second/count_func.c

@@ -0,0 +1,45 @@
+#include "count_func.h"
+
+int locatedIn(char symb) {
+    char numbers[] = NUMBERS;
+
+    for (int i = 0; i < 5; i++) {
+        if (symb == numbers[i]) {
+            return 1;
+        }
+    }
+
+    return 0;
+}
+
+int countWords(FILE * file) {
+    int located, now, count;
+    char current;
+
+    located = IN;
+    now = OUT;
+    count = 0;
+
+    if (fscanf(file, "%c", &current) != 1) {
+        printf("File is empty\n");
+        return -1;
+    }
+    do {
+        if (current == '\n' || current == '\t' || current == ' ') {
+            if (now == IN && located == IN) {
+                count += 1;
+            }
+            now = OUT;
+        } else {
+            if (now == OUT) {
+                now = IN;
+                located = IN;
+            }
+            if (locatedIn(current) == 0) {
+                located = OUT;
+            }
+        }
+    } while (fscanf(file, "%c", &current) == 1);
+
+    return count;
+}

Second/count_func.h

@@ -0,0 +1,14 @@
+#ifndef COUNT_FUNC
+#define COUNT_FUNC
+
+#include <stdio.h>
+
+#define NUMBERS {'1', '2', '3', '4', '5'}
+#define IN 1
+#define OUT 0
+
+int locatedIn(char symb);
+
+int countWords(FILE * file);
+
+#endif

Second/input.txt

@@ -0,0 +1,9 @@
+123
+1234
+12345
+123456
+234567
+345678
+456789
+12
+1

Second/main.c

@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include "count_func.h"
+
+int main(void) {
+    FILE * file;
+    char filename[50];
+
+    printf("Enter filename: ");
+    scanf("%s", filename);
+
+    file = fopen(filename, "r");
+    if (file == NULL) {
+        printf("Error file!\n");
+        return 1;
+    }
+
+    printf("Answer: %d", countWords(file));
+
+    return 0;
+}

Second/makefile

@@ -0,0 +1,8 @@
+all: main.o count_func.o
+	gcc main.o count_func.o && del *.o
+	
+main.o: main.c
+	gcc -c main.c
+
+count_func.o: count_func.c
+	gcc -c count_func.c