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C Prog. - Strings (Updated)
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  • 1. C Programming - StringsOrganized By: Vinay Arora Assistant Professor, CSED Thapar University, Patiala
  • 2. Program - 1 #include<stdio.h> #include<conio.h> void main() { char a[]="CIVIL DEPARTMENT"; int i=0; clrscr(); for(i=0;i<=15;i++) { printf("%c",a[i]); } getch(); } Vinay Arora CSED
  • 3. Program – 1 (output) Vinay Arora CSED
  • 4. Program - 2 #include<stdio.h> #include<conio.h> void main() { char a[30]="CIVIL DEPARTMENT"; int i=0; clrscr(); while(a[i]!=0) { printf("%c",a[i]); i++; } getch(); } Vinay Arora CSED
  • 5. Program – 2 (output) Vinay Arora CSED
  • 6. Program - 3 #include<stdio.h> #include<conio.h> void main() { char a[]="CIVIL DEPARTMENT"; clrscr(); printf("%s",a); getch(); } Vinay Arora CSED
  • 7. Program – 3 (output) Vinay Arora CSED
  • 8. Program - 4 #include<stdio.h> #include<conio.h> void main() { char a1[]={C,I,V,I,L}; char a2[]={C,I,V,I,L,0}; char a3[6]={C,I,V,I,L}; clrscr(); printf("n%s",a1); printf("n%s",a2); printf("n%s",a3); getch(); } Vinay Arora CSED
  • 9. Program – 4 (output) Vinay Arora CSED
  • 10. Program - 5 #include<stdio.h> #include<conio.h> void main() { char a1[6]={C,I,V,I,L}; clrscr(); printf("n%s",a1); printf("n%.3s",a1); printf("n%-6.2s",a1); printf("n%6.2s",a1); printf("n%10s",a1); printf("n%5s",a1); getch(); } Vinay Arora CSED
  • 11. Program – 5 (output) Vinay Arora CSED
  • 12. Program - 6 #include<stdio.h> #include<conio.h> void main() { char text[20]; int length; clrscr(); printf("Type the Text belown"); gets(text); length=strlen(text); printf("Length of string = %d",length); getch(); } Vinay Arora CSED
  • 13. Program – 6 (output) Vinay Arora CSED
  • 14. Program - 7 #include<stdio.h> #include<conio.h> getch(); void main() { } char str1[20], str2[20]; int length; clrscr(); printf("Enter 1st stringn"); gets(str1); printf("Enter 2nd stringn"); gets(str2); printf("n1st String is --->t%s",str1); printf("n2nd String is --->t%s",str2); strcpy(str1,str2); printf("nn1st String after strcpy() is --->t%s",str1); Vinay Arora CSED
  • 15. Program – 7 (output) Vinay Arora CSED
  • 16. Program - 8 #include<stdio.h> #include<conio.h> getch(); void main() { } char str1[20], str2[20]; int length; clrscr(); printf("Enter 1st stringn"); gets(str1); printf("Enter 2nd stringn"); gets(str2); printf("n1st String is --->t%s",str1); printf("n2nd String is --->t%s",str2); strncpy(str1,str2,2); printf("nn1st String after strcpy() is --->t%s",str1); Vinay Arora CSED
  • 17. Program – 8 (output) Vinay Arora CSED
  • 18. Program - 9 #include<stdio.h> #include<conio.h> getch(); void main() { } char str1[20], str2[20]; int result; clrscr(); printf("Enter 1st stringn"); gets(str1); printf("Enter 2nd stringn"); gets(str2); printf("n1st String is --->t%s",str1); printf("n2nd String is --->t%s",str2); result=strcmp(str1,str2); //In case of match result will be ZERO otherwise NON ZERO printf("nnResult after Comparing is %d",result); Vinay Arora CSED
  • 19. Program – 9 (output) Vinay Arora CSED
  • 20. Program – 9 (output) Vinay Arora CSED
  • 21. Program - 10 #include<stdio.h> #include<conio.h> void main() { char str1[20]; int length; clrscr(); printf("Enter 1st stringn"); gets(str1); printf("n1st String is --->t%s",str1); strupr(str1); printf("nnString after strupr() is --->t%s",str1); getch(); } Vinay Arora CSED
  • 22. Program – 10 (output) Vinay Arora CSED
  • 23. Program - 11 #include<stdio.h> #include<conio.h> getch(); void main() { } char str1[20],str2[20]; int length; clrscr(); printf("Enter 1st stringn"); gets(str1); printf("Enter 2nd stringn"); gets(str2); printf("n1st String is --->t%s",str1); printf("n2nd String is --->t%s",str2); strcat(str1,str2); printf("nnString after strcat() is --->t%s",str1); Vinay Arora CSED
  • 24. Program – 11 (output) Vinay Arora CSED
  • 25. Program - 12 #include<stdio.h> #include<conio.h> getch(); void main() { } char str1[20],str2[20]; int length; clrscr(); printf("Enter 1st stringn"); gets(str1); printf("Enter 2nd stringn"); gets(str2); printf("n1st String is --->t%s",str1); printf("n2nd String is --->t%s",str2); strcat(str1," "); strcat(str1,str2); printf("nnString after strcat() is --->t%s",str1); Vinay Arora CSED
  • 26. Program – 12 (output) Vinay Arora CSED
  • 27. Program - 13 #include<stdio.h> #include<conio.h> void main() { char str1[20]; int length; clrscr(); printf("Enter 1st stringn"); gets(str1); printf("n1st String is --->t%s",str1); strrev(str1); printf("nnString after strrev() is --->t%s",str1); getch(); } Vinay Arora CSED
  • 28. Program – 13 (output) Vinay Arora CSED
  • 29. Program - 14 #include<stdio.h> printf("n1st String is --->t%s",str1); #include<conio.h> void main() strrev(str1); { char c,str1[30]; printf("nnString after strrev() is --->t%s",str1); int length,i=0; clrscr(); getch(); } printf("Enter 1st stringn"); c=getchar(); while(c!=@) { str1[i]=c; i++; c=getchar(); } Vinay Arora CSED
  • 30. Program – 14 (output) Vinay Arora CSED
  • 31. Program – 17 #include<stdio.h> printf("nOriginal String Entered is: %s",str1); #include<conio.h> printf("nnDuplicate String is: %s",str2); #include<string.h> getch(); void main() } { char str1[20], str2[20]; int i; clrscr(); printf("Enter your streamt"); gets(str1); for(i=0;str1[i]!=0;i++) str2[i]=str1[i]; str2[i]=0; Vinay Arora CSED
  • 32. Program – 17 (output) Vinay Arora CSED
  • 33. Program – 18#include<stdio.h> if(text[i]==o)#include<conio.h> ++o;#include<string.h> }void main() printf("nm found in text = %d times",m); { printf("nr found in text = %d times",r); char text[25]="c programming is good"; printf("no found in text = %d times",o); int i,m=0,o=0,r=0; getch(); clrscr(); } for(i=0;i<=25;i++) { if(text[i]==m) ++m; if(text[i]==r) ++r; Vinay Arora CSED
  • 34. Program – 18 (output) Vinay Arora CSED
  • 35. Program – 19 while(i<=j) #include<stdio.h> { #include<conio.h> if(str[i]==str[j]) #include<string.h> test=1; else void main() { { test=0; char str[10]; break; } int i=0,j,test; i++; j--; clrscr(); } if(test==1) printf("Enter the word t"); printf("nword is palindrom"); gets(str); else printf("nword is not palindrom"); j=strlen(str)-1; getch(); } Vinay Arora CSED
  • 36. Program – 19 (output) Vinay Arora CSED
  • 37. Program – 19 (output) Vinay Arora CSED
  • 38. Program – 20 #include<stdio.h> printf("Number of words in line = %d",count); #include<conio.h> getch(); #include<string.h> } void main() { char text[30]; int count=0,i=0; clrscr(); printf("Enter the line of textn"); printf("Give one space after each wordn"); gets(text); while(text[i++]!=0) if (text[i]==32 || text[i]==0) count++; Vinay Arora CSED
  • 39. Program – 20 (output) Vinay Arora CSED
  • 40. Thnx… Vinay Arora CSED