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playground:c:stdio.h:printf

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playground:c:stdio.h:printf [2017/07/30 01:49]
Daniel Gohlke created
playground:c:stdio.h:printf [2017/07/30 01:49] (current)
Daniel Gohlke
Line 1: Line 1:
 +{{keywords>wiki library source code example reference}}
  
-==== C Example Sourcecode ====+===== printf =====
 <code c> <code c>
-#include <stdio.h> +#include <stdio.h> /including standard library */ 
-  +//#include <windows.h>; /* uncomment this for Windows */
-int main(int **argc, char **argv) +
-+
-/* +
- * Sourcecode example for printf +
- * https://code-reference.com/c/stdio.h/printf +
-*/ +
-   int i; +
-   /* Click on int to look what it is */ +
-   i=0;+
  
-   while (1{ +int printf const char * restrict format, ... ); 
-  /* Click on while to read the description of while*/ +</code> 
-       i+++ 
-       printf("Hello World no: %i\n",i); +==== Arguments ==== 
-       /* Click on printf to read the description of printf*/ +The function printf prints format to STDOUT\\ 
-   }+     
 +Code    Description\\ 
 +**%c** character value\\ 
 +**%s** string of characters\\ 
 +**%d** signed integer\\ 
 +**%i** signed integer\\ 
 +**%f** floating point value\\ 
 +**%e** scientific notation, with a lowercase "e"\\ 
 +**%E** scientific notation, with a uppercase "E"\\ 
 +**%g** use **%e** or **%f**\\ 
 +**%G** use **%E** or **%f** \\ 
 +**%o** octal\\ 
 +**%u** unsigned integer\\ 
 +**%x** unsigned hexadecimal, with lowercase letters\\ 
 +**%X** unsigned hexadecimal, with uppercase letters\\ 
 +**%p** a pointer\\ 
 +**%n** the argument shall be a pointer to an integer in which the number of characters written is placed\\ 
 +**%%** shall be a **%** sign\\ 
 + 
 +    \n (newline) 
 +    \t (tab) 
 +    \v (vertical tab) 
 +    \f (new page) 
 +    \b (backspace) 
 +    \r (carriage return) 
 +    \n (newline) 
 + 
 + 
 +===== C Sourcecode Example ===== 
 +<code c> 
 +/ 
 + * printf example code 
 + * http://code-reference.com/c/stdio.h/printf  
 + */ 
 + 
 +#include <;stdio.h> /* including standard library */ 
 +//#include <windows.h> /* uncomment this for Windows */ 
 + 
 +int main ( void ) { 
 + 
 +int number; 
 +number=42; 
 + 
 +    printf("the answer to life the universe and everything is %i \n", number); 
 + 
 +return 0;
 } }
 +
 </code> </code>
  
-=== Output example for a compiled source ===+==== output ==== 
 + 
 +    
 +   the answer to life the universe and everything is 42 
 +    
 +    
 +   
  
-    output: 
-     
-    user@comp:$ ./te  
-    Hello World no: 1 
-    Hello World no: 2 
-    Hello World no: ... 
-    ... and so on, and so on 
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playground/c/stdio.h/printf.txt · Last modified: 2017/07/30 01:49 by Daniel Gohlke

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