2. (Function) 3. type int ,float , char , double , void voidint
function_name type parameterparameter, N parametervoid { location
variable declaration statement_ ; statement_ ; ... statement_N
return(value); 4. F N T N INC U C IO S CS A D R TNADPO RM E R G A
MR LIBRARYDF E F N T N E IN D U C IO1. User-defined
Function)2.Standard Function) include directives header file 5.
1.1.1type function_name(type1 arg1, type2 arg2,.., typeN
argN){local variable declaration;statement(s);return( varlue);} 6.
typetype int, float, chardoubleinttypevoidfunction_nametype1 arg1,
type2 arg2,, typeN argN argument 1, 2, 3,, N void{}local variable
declarationlocalstatement(s) 1; (semicolon)return(value) value ()
7. #include#includevoid one(void); /* function Prototypevoid
two(void); /* function Prototypevoid main(void){clrscr();one(); /*
call one() */two(); /* call two() */printf("nPress any key back to
program ...");getch();}/* one function */void one(){int a=5,
b=7;printf("A = %d, B = %dn",a,b);}/* two function */void
two(){float p=4.5, q=3.5;p+=q;printf("P = %6.3f, Q = %6.3fn",p,q);}
8. 3 4 void one(void); void two(void);one( )two( ) void one( )two(
) void ()one( ) two argument main( )8 9one( );two( ); one( )two( )
one( )14 18 two( )20251418 one( )ab2025two( )p 9. 10. 1.22#include
#include Main ()Main (){{Function-name2 (); Function-name1 ();...
Function-name2Function-name1 (); ();}.. } 11. #include 12.
1.3()void function_name(void ) 13. #include#includevoid
asterisk_line(void);void main(void){clrscr( );asterisk_line(
);printf("****** C and C++ PROGRAMMING
******n");asterisk_line();printf("nPress any key back to program
...");getch();}/* asterisk_line function */void asterisk_line(
){int j, n=40;for(j=1; jstrcpy string 1,string 2 strcat:string 2
string 1 strcat string 1,string 2 33. strcmp : string 1string 2 1
string 1 string 2 0 strcmp string 1,string 2strlen : strlen
stringstrcmpi : string 1string 2 0 string 1< string 2 string 2
>0strcmpi string 1,string 2 34. 2.3#include
TOLOWERLOWERTOLOWER(text) textTOUPPER UPPERLOWER
TOUPPERTOUPPER(text) 35. 2 41.2.3. -4. 36. printf 37. 1.char s3[5]
= {G, O, O, D, 0}; s3 ) ) ).. )2. ) ) ). )3. ) int
function_name(type arg, ) ) void function_name(type arg, ) )
function_name(type arg, .) ) void function_name() 38. 4. ) ) ) )5.
) ) ) {} [] )6.char s1[9] = LANGUAGE; s1 ) ) ).. ) 39. 7. char
s2[4] = {G, O, O, D}; s2 ) ) ).. )8. ) function_name(); )
function_name() ) function_name(arg1,arg2) )Function_name(arg1;
arg2);9. ) int function_name(type arg, ) ) void function_name(type
arg, ) ) function_name(type arg, .) ) void function_name() 40. 10.)
strcmpstrcmp string 1,string 2) strcat strcat string 1,string 2)
strcpystrcpy string 1,string 2) strlen strlen string 41.
1.2.3.4.5.6.7.8.9.10. 42. 1. 132.143. 194.215. 226.23 6/1
