A custom function implementation of string processing function

strlen function Stringlength.

int Stringlength (char *a)

{

int length=0;

while (a[length]!= ') {

length++;

}

return length;

}

Strcpyde with function function stringcopy.

void Stringcopy (char *a,char *b)

{

int length=0;

while (b[length]!= ') {

A[length] = B[length];

length++;

}

a[length]= ' + ';

}

Write functions that implement STRCAT functions Stringcatch

void Stringcatch (char *a,char *b,int c)

{

int length_b=0;

while (b[length_b]!= ') {

A[c+length_b]=b[length_b];

length_b++;

}

a[length_b+c]= ' + ';

}

Write a function stringcompare that implements STRCMP functionality.

int Stringcompare (char *a,char *b,int c,int D)

{

int length=0;

while (A[length]==b[length]) {

length++;

}

while ((*a-*b! = 0) && (length<=c| | Length<=d)) {

return a[length]-b[length];

}

return 0;

}

Write a function stringcompare that implements STRCMP functionality.

int Scompare (char String1[],char string2[]) {

int i=0;

while ((string1[i]!= ') && (string2[i]!= ')) {

if (string1[i]-string2[i]==0) {

i++;

}else{

Return (String1[i]-string2[i]);

}

}

Return (String1[i]-string2[i]);

}

A custom function implementation of string processing function