I am creating a dictionary in terminal using C code. The screenshot I attached is a portion of the frame work that needs to be completed in order for the dictionary to be created 4.1.3 dict_getNext, you will implement:char* dict_get (const dict_t* dict, const char* key);This function goes through the list given by dict.If you use the above structure, this means starting at el = dict->head andchecking each time whether the key at el is key ; if it is not, we set el =el->next , until either key is found, or we reach el== NULL.To compare key with el->key, we need to compare one by one each character in key with those in el->key. Remember thatstrings in C are just pointers (memory addresses) to the first character in the string, so comparing el->key == key will not dowhat you want. So how do you even get the length of a string s ? You would start at memory location s and advance as long as thebyte at s (i.e. *s)is not the end-of-string marker ( \0 , the NULL character). This can get a bit messy, so luckily, you are allowedto use the string comparison function strcmp(3) provided by the standard library:strcmp (s1, s2):returns 0 iff s1 and s2 are the same strings. Hence in if (strcmp (s1, s2))..., the conditionholds if the strings are different-be careful.If key is found, return the corresponding value; otherwise, return NULL.

Using the function Create a dictionary by c programming language. char* dict_get (const dict_t*…

1.3 dict_get Next, you will implement: char* dict_get (const dict_t* dict, const char* key); his function goes through the list given by dict.If you use the above structure, this means starting at el = dict->head and hecking each time whether the key at el is key ; if it is not, we set el = el->next , until either key is found, or we reach el = NULL. o compare key with el->key , we need to compare one by one each character in key with those in el->key. Remember that trings in C are just pointers (memory addresses) to the first character in the string, so comparing el->key == key will not do hat you want. So how do you even get the length of a string s ? You would start at memory location s and advance as long as the yte at s (i.e. *s ) is not the end-of-string marker ( \Ø , the NULL character). This can get a bit messy, so luckily, you are allowed o use the string comparison function strcmp(3) provided by the standard library: • strcmp (s1, s2):returns 0 iff s1 and s2 are the same strings. Hence in if (strcmp (s1, s2))..., the condition holds if the strings are different-be careful. kev is found, return the corresponding value: otherwise, return NULL

1.3 dict_get Next, you will implement: char* dict_get (const dict_t* dict, const char* key); his function goes through the list given by dict.If you use the above structure, this means starting at el = dict->head and hecking each time whether the key at el is key ; if it is not, we set el = el->next , until either key is found, or we reach el = NULL. o compare key with el->key , we need to compare one by one each character in key with those in el->key. Remember that trings in C are just pointers (memory addresses) to the first character in the string, so comparing el->key == key will not do hat you want. So how do you even get the length of a string s ? You would start at memory location s and advance as long as the yte at s (i.e. *s ) is not the end-of-string marker ( \Ø , the NULL character). This can get a bit messy, so luckily, you are allowed o use the string comparison function strcmp(3) provided by the standard library: • strcmp (s1, s2):returns 0 iff s1 and s2 are the same strings. Hence in if (strcmp (s1, s2))..., the condition holds if the strings are different-be careful. kev is found, return the corresponding value: otherwise, return NULL

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

I am creating a dictionary in terminal using C code. The screenshot I attached is a portion of the frame work that needs to be completed in order for the dictionary to be created

4.1.3 dict_get
Next, you will implement:
char* dict_get (const dict_t* dict, const char* key);
This function goes through the list given by dict.If you use the above structure, this means starting at el = dict->head and
checking each time whether the key at el is key ; if it is not, we set el =
el->next , until either key is found, or we reach el
== NULL.
To compare key with el->key, we need to compare one by one each character in key with those in el->key. Remember that
strings in C are just pointers (memory addresses) to the first character in the string, so comparing el->key == key will not do
what you want. So how do you even get the length of a string s ? You would start at memory location s and advance as long as the
byte at s (i.e. *s)is not the end-of-string marker ( \0 , the NULL character). This can get a bit messy, so luckily, you are allowed
to use the string comparison function strcmp(3) provided by the standard library:
strcmp (s1, s2):returns 0 iff s1 and s2 are the same strings. Hence in if (strcmp (s1, s2))..., the condition
holds if the strings are different-be careful.
If key is found, return the corresponding value; otherwise, return NULL.

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