C - String Concatination

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String Concatination

How to concatenate the two string without using the predefined functions (such as strcat and strlen)?

Total Answers and Comments: 3

Last Update: July 02, 2009 Asked by: Tarkeshwar_Prasad

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April 13, 2009 22:37:41

kakiharanadh

Member Since: April 2009 Contribution: 2

RE: String Concatination

char* strcat(char *s char*t)
{
if( t NULL)
return s;

char *temp s;
while( *s ! ' ') // don't compare like *s++! ' ' it lead to errors since wrong pointing.
s++;
while( (*s++ *t++)! ' ');
return temp;
}

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0 1

Overall Rating: -1

July 02, 2009 01:47:26

vbablu

Member Since: February 2009 Contribution: 4

RE: String Concatination

void main() { char s1[40] s2[20]; int i 0 j 0;
printf("enter a string");
scanf(" s" s1);
printf("enter another string");
scanf(" s" s2);
while(s1[i]! ' ')
i++;
while(s2[j]! ' ')
s1[i++] s2[j++];
s1[i] ' ';
printf("concatenated string is s" s1);
}

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July 02, 2009 01:59:18

vbablu

Member Since: February 2009 Contribution: 4

RE: String Concatination

void main() { char s[20]; int i n;
printf( enter a string );
scanf( s s);
for(i 0;s[i]! '';i++)
{
if(s[i] '.')
{
s[i] '';
break;
}}
n atoi(s);
if(n<255)
printf( d is less );
else
printf( not less );
}

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