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Function creation and function call in c   copy

Function creation and function call in c copy



Function creation and function call in c copy

Function creation and function call in c copy



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    Function creation and function call in c   copy Function creation and function call in c copy Presentation Transcript

    • Disclaimer: This presentation is prepared by trainees of baabtra as a part of mentoring program. This is not official document of baabtra –Mentoring Partner Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt . Ltd
    • Typing Speed Week Target Achieved 1 40 25 2 40 28 3
    • Jobs Applied Week 1 2 3 Company Designation Applied Date Current Status
    • Function creation & Function call in c Muhammed Noufal V T muhammednoufalvt@gmail.c om www.facebook.com/vtnoufa lvt twitter.com/noufalurnappy in.linkedin.com/pub/muham med-noufal 9744003056
    • Functions in c • Types of functions - Built in functions (library functions) - User defined functions • Advantagas -Decrease the length of the program -Easy to manipulate
    • Built in functions (library functions) • Sub programs that is already defined in c language compiler • Syntax to call a function function name(); • Examples :scanf(); printf(); clrscr(); strcpy();
    • Program using Built in functions (library functions) • #include<stdio.h> #include<conio.h> #include<string.h> void main() { char s1[20]; char s2[20]; int l; clrscr(); printf(“Enter the two stringsn”); scanf(“%s%s”,s1,s2); l=strlen(s1); printf(“length of the string is %d”,&l); strcat(s1,s2); printf(“combined string=%s”,s1); getch(); }
    • User defined functions • Functions defined by user • Advantagas -Reusability -Easy to manipulate • Syntax to declare a user defined function data type function name(); • Syntax to define a user defined function data type function name() { function body; }
    • Program using user defined functions • #include<stdio.h> #include<stdio.h> void main() { clrscr(); add(); getch(); } int add() { int a,b,c; printf(“Enter two numbers to addn”); scanf(“%d%d”,&a,&b); c=a+b; printf(“Addition of the two numbers=%d”,&c) }
    • user define functions • Default function -Function which doesn’t support parameter variables • Parameter function -Function which contains parameter variables Syntax data type function name(data type variable 1,… variable n) • Return statement -The statement which return values from functions to calling sections • Methods of passing argument values to parameterized function
    • Program using pass by value method #include<stdio.h> #include<conio.h> int add(int,int); void main() { int a,b,c; clrscr(); printf(“Enter two numbersn”); scanf(“%d%d”,&a,&b); c=add(a,b); printf(“Addition=%d”,&c); getch(); } int add(int n, int m) { int s; s=n+m; return(s); }
    • Program using pass by referanceint add(int *x,int *y) method #include<stdio.h> #include<conio.h> int add(int *x,int *y) void main() { int a,b,c,*p1,*p2; clrscr(); printf(“Enter two numbers”); scanf(“%d%d”,&a,&b); p1=&a; p2=&b; c=add(p1,p2); printf(“addition=%d”,c); getch(); } { int *z; *z=*x+*y; return(*z); }
    • If this presentation helped you, please visit our page facebook.com/baabtra and like it. Thanks in advance. www.baabtra.com | www.massbaab.com |www.baabte.com
    • Contact Us Emarald Mall (Big Bazar Building) Mavoor Road, Kozhikode, Kerala, India. Ph: + 91 – 495 40 25 550 Start up Village Eranakulam, Kerala, India. Email: info@baabtra.com NC Complex, Near Bus Stand Mukkam, Kozhikode, Kerala, India. Ph: + 91 – 495 40 25 550