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  1. /* Write a function escape(s,t) that converts characters like newline and tab into visible escape sequences like \n and \t as it copies the string t to s. Use a Switch. Write a function for 
  2. the other direction as well,converting the escape sequences into the real characters */
  3.  
  4. #include<stdio.h>
  5. #define MAXLINE 1000
  6. int mgetline(char line[],int maxline);
  7. void escape(char s[],char t[]);
  8.  
  9.  
  10. int main(void)
  11. {
  12. 	char s[MAXLINE],t[MAXLINE];
  13.  
  14. 	mgetline(t,MAXLINE);
  15.  
  16. 	escape(s,t);
  17.  
  18. 	printf("%s",s);
  19.  
  20. 	return 0;
  21. }
  22.  
  23. void escape(char s[],char t[])
  24. {
  25. 	int i,j;
  26.  
  27. 	i=j=0;
  28.  
  29. 	while(t[i] != '\0')
  30. 	{
  31. 		switch(t[i])
  32. 		{
  33. 			case '\t':
  34. 					s[j]='\\';
  35. 					++j;
  36. 					s[j]='t';
  37. 					break;
  38. 			case '\n':
  39. 					s[j]='\\';
  40. 					++j;
  41. 					s[j]='n';
  42. 					break;
  43. 			default:
  44. 					s[j]=t[i];
  45. 					break;
  46. 		}
  47. 		++i;
  48. 		++j;
  49. 	}
  50.  
  51. 	s[j]='\0';
  52. }
  53.  
  54. int mgetline(char s[],int lim)
  55. {
  56.     int i,c;
  57.  
  58.     for(i=0;i<lim-1 && (c=getchar())!=EOF;++i)
  59.         s[i]=c;
  60.  
  61.     s[i]='\0';
  62. }
  63.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin
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syam \\t kumar \t                    
\n
\t
stdout
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syam \\t kumar \t                    \n\n\n\t\n
https://ideone.com/RXIYDZ
language:
C (gcc 8.3)
created:
1 hour ago
visibility:
public

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