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(. C) , 1970- Bell Labs . UNIX. . . . . , , . . , , .
, C, , This is my first program!.
//PROG1.C - .
#include <stdio.h>
int main(void)
{
printf("\n This is my first program!"); // printf
return 0;
}
:
This is my first program!
- , '//', " ". . prog1.c, . , /* */.
. - , , . . , , . () #include, . , stdio.h, . . , #include.
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(cos), (sin), (pow), #include <math.h>, (getch)- #include <conio.h>, (strcat)- #include <string.h>. , , cos ( ), include <math.h>, . :
math.h - ;
type.h - ;
stdio.h - ;
string.h, stdlib.h ;
alloc.h, stdlib.h - ;
conio. h - ;
graphics.h - .
.
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main. main(). , .
, main, , main() . , . int, , , int ( ), void , main . . main ISO/ANSI. void , void main().
main. main(). , , main(). , .
4. . . printf return. . - , . , " ".
5. main \ ,
printf("\n This is my first program!"); // printf
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, .
, \ , , , . , \ esc-. 1.
1. esc-
| \a | |
| \b | () |
| \n | ( ) |
| \r | |
| \t | |
| \\ | (\) |
| \ | () |
| \ | () |
| \? | |
| \000 | (000 - ) |
| \xhh | (hh ) |
6. return 0 .
