char * mystr (char *s, char *c) {
int i;
int j;
char *p;
while (s[i]) {
if (s[i] == c[j]) {
for (j = 0; j < mylen(c); j++) {
if (s[i+j] != c[j])
j = mylen(c);
if (s[i+j] == c[mylen(c)-1] && j == mylen(c) - 1) {
p = s[i];
j = mylen(c);
}
}
j = 0;
}
i++;
}
return p;
}
int comp(char * ch1 ,char * ch2){
int n=mylen(ch1);
int m=mylen(ch2);
int i;
char car1,car2;
for (i=0;i<n;i++){
car1=*(ch1+i);
if (i>=m) {return 1;}
car2=*(ch2+i);
if ((int)car1<(int)car2){return -1;}
if ((int)car1>(int)car2){return 1;}
}
if (n==m ) return 0;
return -1;
}
char * mycpy(char *d, char *s) {
int i;
for(i = 0; i < mylen(s); i++)
d[i] = s[i];
return d;
}
int main()
{
char line[] = "Hello";
printf("strlen = %lu\n",strlen(line));
printf("mylen = %lu\n", mylen(line));
printf("sizeof = %lu\n",sizeof(line));
return 0;
}
char * mycatn(char *d, char *s, int j) {
int i = 0;
int l = mylen(d);
while (s[i] && i < j) {
d[l + i] = s[i];
i++;
}
return d;
}
char * mycat(char *d, char *s) {
int i = 0;
int l = mylen(d);
while (s[i]) {
d[l + i] = s[i];
i++;
}
return d;
}
int main() {
char a[128] = "These";
char b[128] = "are";
char c[128] = "the";
char d[128] = "test";
char e[128] = "cases";
char f[128] = "car";
char g[128] = "aren";
char h[128] = "abcdefghijklmnopqrstuvwxyzzzzzzzzzzzz";
char i[128] = "cases";
char j[128] = "casesss";
char k[128] = "arent";
char l[128] = "longwords";
char m[128] = "neededlongwords";
char n[128] = "lastlongwordormaybenot";
char s[128];
char t[128];
char u[128];
char v[128];
char w[128];
char x[128];
char y[128];
char z[128];
printf("---mylen Testing---\n");
printf("Test One:\n These - - - Length: 5\n Run: %d\n", mylen(a));
printf("Test Two:\n are - - - Length: 3\n Run: %d\n", mylen(b));
printf("Test Three:\n abcdefghijklmnopqrstuvwxyz - - - Length: 26\n Run: %d\n", mylen(h));
printf("\n");
printf("---mycmp Testing---\n");
printf("Test One:\n Word 1: cases - Word 2: car\n Run: %d\n", mycmp(e, f));
printf("Test Two:\n Word 1: cases - Word 2: cases\n Run: %d\n", mycmp(e, i));
printf("Test Three:\n Word 1: are - Word 2: the\n Run: %d\n", mycmp(b, c));
printf("Test Four:\n Word 1: casesss - Word 2: cases\n Run: %d\n", mycmp(j, e));
printf("Test Five:\n Word 1: aren - Word 2: arent\n Run: %d\n", mycmp(g, k));
printf("\n");
printf("---mycpy Testing---\n");
printf("Before Copying:\n");
printf(" x: %s\n y: %s\n z: %s\n", x, y, z);
printf("Copying:\n %s --> x\n %s --> y\n %s --> z\n", h, i, j);
mycpy(x, h);
mycpy(y, i);
mycpy(z, j);
printf("After Copying:\n");
printf(" x: %s\n y: %s\n z: %s\n", x, y, z);
printf("\n");
printf("---mycpyn Testing---\n");
printf("Before Copying:\n");
printf(" s: %s\n t: %s\n u: %s\n", s, t, u);
printf("Copying:\n %s - 6 --> s\n %s - 7 --> t\n %s - 10 --> u\n", l, m, n);
mycpyn(s, l, 6);
mycpyn(t, m, 7);
mycpyn(u, n, 10);
printf("After Copying:\n");
printf(" s: %s\n t: %s\n u: %s\n", s, t, u);
printf("\n");
printf("---mycat Testing---\n");
printf("Before Catting:\n");
printf(" s: %s\n m: %s\n h: %s\n", s, m, h);
printf("Catting:\n %s --> s\n %s --> m\n %s --> h\n", h, c, d);
mycat(s, h);
mycat(m, c);
mycat(h, d);
printf("After Catting:\n");
printf(" s: %s\n m: %s\n h: %s\n", s, m, h);
printf("\n");
printf("---mycatn Testing---\n");
printf("Before Catting:\n");
printf(" s: %s\n m: %s\n h: %s\n", s, m, h);
printf("Catting:\n %s - 8 --> s\n %s - 3 --> m\n %s - 2 --> h\n", h, c, d);
mycatn(s, h, 8);
mycatn(m, c, 3);
mycatn(h, d, 2);
printf("After Catting:\n");
printf(" s: %s\n m: %s\n h: %s\n", s, m, h);
printf("\n");
printf("---mychr Testing---\n");
printf("Test One:\n Searching in: %s\n Searching for: %c\n", e, 'e');
printf(" Pointer: %p - Points at: %c\n", mychr(e,'e'), *mychr(e,'e'));
printf("Test Two:\n Searching in: %s\n Searching for: %c\n", h, 't');
printf(" Pointer: %p - Points at: %c\n", mychr(h,'t'), *mychr(h,'t'));
printf("\n");
printf("---mystr Testing---\n");
printf("Test One:\n Searching in: %s\n Searching for: %s\n", n, "long");
printf(" Pointer: %p - Points at: %s\n", mystr(n,"long"), *mystr(n,"long"));
return 0;
}
