yes

printf.c

@@ -19,7 +19,7 @@ int _printf(const char *format, ...)
 	va_start(args, format);
 
 	identifiers = _contains(format, '%');
-	BUFF_SIZE = _strlen(format) - identifiers;
+	BUFF_SIZE = _strlen(format) - (identifiers * 2);
 	buffer = malloc(BUFF_SIZE);
 
 	if (!format) /* No string. No laundry */
@@ -38,7 +38,7 @@ int _printf(const char *format, ...)
 					break;
 				case 'c': /* add 1 byte and i++ */
 					c = (char) va_arg(args, int);
-					*(buffer + buff_idx) = c;
+
 					BUFF_SIZE += 1;
 					buff_idx += 1;
 					break;

tests/char_print.c

@@ -8,7 +8,7 @@
 
 int main(void)
 {
-	char c = 97;
+	char c = 'c';
 
 	_printf("cat: %c", c);
 	return (0);

tests/strcpy.c

@@ -1,17 +1,21 @@
 #include "../main.h"
 #include <stdlib.h>
 #include <stdio.h>
+#include <unistd.h>
 /**
  * main - why does this not work! I know!
  * Return: 0...unless?
  */
 int main(void)
 {
-	char *str, *str2;
+	char *str, *str2, c;
 
 	str = "hello";
 	str2 = " world!\n";
 	str = _strcpy(str, str2);
+	c = 'c';
+
 	printf("%s", str);
+	write(1, &c, 1);
 	return (0);
 }