char *s_one[] = { "Zorro", "Alex", "Celine" };
char *s_two[] = { "Zorro1", "Alex1"};

char *p = (char*)malloc((sizeof(s_one)+sizeof(s_two))*sizeof(char));
memcpy(p, s_one, sizeof(s_one));
memcpy(p + sizeof(s_one), s_two, sizeof(s_two));

//print out
for (count = 0; count < sizeof(p); count++)
        printf("narr[%d] = %c.", count, p[count]);

printf("narr[%d] = %s.", count, *p[count]);

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(void)
{
    char *s_one[] = { "Zorro", "Alex", "Celine" };
    char *s_two[] = { "Zorro1", "Alex1"};

    printf("%lun", sizeof(s_one));
    printf("%lun", sizeof(s_two));

    int numberOfEntries = (sizeof(s_one) + sizeof(s_two)) / sizeof(char*);
    char **p = (char **)malloc(numberOfEntries);

    printf("%dn", numberOfEntries);

    memcpy(p, s_one, sizeof(s_one));
    memcpy(p + sizeof(s_one)/sizeof(char *), s_two, sizeof(s_two));

    //print out
    int count = 0;
    for (count = 0; count < numberOfEntries; count++)
        printf("arr[%d] = %s.n", count, p[count]);
}

char **p = malloc(sizeof s_one + sizeof s_two);

size_t needed = 1;
for(size_t i = 0; i < sizeof s_one / sizeof *s_one; ++i)
    needed += strlen(s_one[i]);
for((size_t i = 0; i < sizeof s_two / sizeof *s_two; ++i)
    needed += strlen(s_two[i]);
char *p = malloc(needed);
if (!p) {
    // allocation failed
    exit(EXIT_FAILURE);
}
p[0] = 0;
for(size_t i = 0; i < sizeof s_one / sizeof *s_one; ++i)
    strcat(p,s_one[i]);
for(size_t i = 0; i < sizeof s_two / sizeof *s_two; ++i)
    strcat(p,s_two[i]);

char *s_one[] = { "Zorro", "Alex", "Celine" };
char *s_two[] = { "Zorro1", "Alex1"};

char *p[sizeof(s_one)/sizeof(char *) + sizeof(s_two)/sizeof(char *)];
memset(p, 0, sizeof(p));
for(count=0;count < sizeof(s_one)/sizeof(char *) ;count++) {
    p[count] = (char*)malloc((strlen(s_one[count])+1)*sizeof(char));
    strcpy(p[count], s_one[count]);
}
i=count;
for(count=0;count < sizeof(s_two)/sizeof(char *) ;count++) {
    p[i] = (char*)malloc((strlen(s_two[count])+1)*sizeof(char));
    strcpy(p[i], s_two[count]);
    i++;
}

//print out
for (count = 0; count < sizeof(p)/sizeof(char *); count++)
        printf("narr[%d] = %s.", count, p[count]);