Strings

1 . strings using character array: const pointer ==> address cant be changed, value can be changed

char str[20];

str[0] = 'E';

str[1] = 's';

str[2] = 'w';

str[3] = 'a';

str[4] = 'r';

str[5] = '\0';

2 . strings using character pointer ==> pointer to const ==> address can be changed, but value cant be changed.

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string handling functions: <string.h>

strlen()

strcpy()

strcat()

strcmp()