C programming quick start - Revision history

Nighthawk: /* case statements */

2014-07-10T22:15:19Z

‎case statements

2014-07-10T22:12:37Z

‎case statements

2014-07-10T22:09:09Z

2014-07-10T21:30:01Z

‎functions

2014-07-10T21:29:33Z

‎functions

2014-07-10T21:20:54Z

‎functions

2014-07-10T21:18:02Z

2014-07-10T21:15:38Z

2014-07-10T21:14:00Z

‎loops

2014-07-10T21:09:48Z

‎for loops

← Older revision		Revision as of 22:15, 10 July 2014
Line 162:		Line 162:
	::break;		::break;
	}		}
		+
		+	'''example'''
		+
		+	printf( "1. Play game\n" );
		+	printf( "2. Load game\n" );
		+	printf( "3. Play multiplayer\n" );
		+	printf( "4. Exit\n" );
		+	printf( "Selection: " );
		+	scanf( "%d", &input );
		+	switch ( input ) {
		+	case 1: /* Note the colon, not a semicolon */
		+	playgame();
		+	break;
		+	case 2:
		+	loadgame();
		+	break;
		+	case 3:
		+	playmultiplayer();
		+	break;
		+	case 4:
		+	printf( "Thanks for playing!\n" );
		+	break;
		+	default:
		+	printf( "Bad input, quitting!\n" );
		+	break;
		+	}

@@ Line 149: / Line 149: @@
 == case statements ==
-case this-value:
+switch ( <variable> ) {
-−
-Code to execute if <variable> == this-value
-−
-break;
-case that-value:
-−
-&nbspCode to execute if <variable> == that-value
-−
-break;
 ...
+:default:
-default:
+::Code to execute if <variable> does not equal the value following any of the cases
+::break;
 Code to execute if <variable> does not equal the value following any of the cases
-−
 break;
-−
+}

← Older revision		Revision as of 22:09, 10 July 2014
Line 145:		Line 145:

	* note - no semicolon after argument section of function definition		* note - no semicolon after argument section of function definition
		+
		+
		+	== case statements ==
		+
		+	case this-value:
		+
		+	Code to execute if <variable> == this-value
		+
		+	break;
		+	case that-value:
		+
		+	&nbspCode to execute if <variable> == that-value
		+
		+	break;
		+
		+	...
		+
		+	default:
		+
		+	Code to execute if <variable> does not equal the value following any of the cases
		+
		+	break;
		+
		+	}

@@ Line 139: / Line 139: @@
   ...
+  }
-  <br>int mult (int x, int y)
+  <br>int mult (int x, int y)   /* function definition /*
+  {
     return x * y;

← Older revision		Revision as of 21:29, 10 July 2014
Line 130:		Line 130:

	the may be no arguments passed at all (where the parentheses are empty)		the may be no arguments passed at all (where the parentheses are empty)
		+
		+	'''programmer defined function'''
		+
		+	int mult ( int x, int y ); /* function prototype goes in program "header" area above main /*
		+	...
		+	int main()
		+	{
		+	...
		+	}
		+	<br>int mult (int x, int y)
		+	{
		+	return x * y;
		+	}
		+
		+	* note - no semicolon after argument section of function definition

← Older revision		Revision as of 21:20, 10 July 2014
Line 125:		Line 125:

	return-type function_name ( arg_type arg1, ..., arg_type argN );		return-type function_name ( arg_type arg1, ..., arg_type argN );
		+
		+	arg_type: int, float, char (examples)
		+
		+
		+	the may be no arguments passed at all (where the parentheses are empty)

← Older revision		Revision as of 21:18, 10 July 2014
Line 119:		Line 119:
	The continue statement will stop the loop's current iteration, update itself, and begin to execute again from the top.		The continue statement will stop the loop's current iteration, update itself, and begin to execute again from the top.
	continue;		continue;
		+
		+	==functions==
		+
		+	prototype
		+
		+	return-type function_name ( arg_type arg1, ..., arg_type argN );

← Older revision		Revision as of 21:15, 10 July 2014
Line 1:		Line 1:
		+	Content take from [http://www.cprogramming.com/tutorial/c/lesson1.html cprogramming.com]

	== Intro ==		== Intro ==

← Older revision		Revision as of 21:14, 10 July 2014
Line 111:		Line 111:

	} while ( condition );		} while ( condition );
		+
		+	'''keywords'''
		+
		+	The break command will exit the most immediately surrounding loop regardless of what the conditions of the loop
		+	break;
		+	The continue statement will stop the loop's current iteration, update itself, and begin to execute again from the top.
		+	continue;

@@ Line 85: / Line 85: @@
+  }
-==for loops==
+== loops==
 for ( variable initialization; condition; variable update ) {
@@ Line 98: / Line 98: @@
          printf( "%d\n", x );
+     }