alx-low_level_programming/0x06-pointers_arrays_strings/6-cap_string.c at master · tpauldike/alx-low_level_programming · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
#include "main.h"

/**
 * cap_string - Capitalizes all words of a string.
 * @str: The string to be capitalized.
 *
 * Return: A pointer to the changed string.
 */

char *cap_string(char *str)
{
	int index = 0;

	while (str[index])
	{
		while (!(str[index] >= 'a' && str[index] <= 'z'))
			index++;

		if (str[index - 1] == ' ' ||
		    str[index - 1] == '\t' ||
		    str[index - 1] == '\n' ||
		    str[index - 1] == ',' ||
		    str[index - 1] == ';' ||
		    str[index - 1] == '.' ||
		    str[index - 1] == '!' ||
		    str[index - 1] == '?' ||
		    str[index - 1] == '"' ||
		    str[index - 1] == '(' ||
		    str[index - 1] == ')' ||
		    str[index - 1] == '{' ||
		    str[index - 1] == '}' ||
		    index == 0)
			str[index] -= 32;

		index++;
	}

	return (str);
}