what is the difference between the function strstr() and stristr()?
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strstr() and stristr both are used to find the first occurence of the string. stristr( ) is case insensitive and strstr( ) is case sensitive. ... needle If needle is not a string, it is converted to an integer and applied as the ordinal value of a character.
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In POSIX and in the programming language C, strcmp is a function in the C standard library (declared in string. h ) that compares two C strings. int strcmp(const char *s1, const char *s2); ... 1-2001, works like strcmp , but is case-insensitive.
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LTrim function and RTrim function : The LTrim function to remove leading spaces and the RTrim function to remove trailing spaces from a string variable. It uses the Trim function to remove both types of spaces.
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The primary difference between the list sort() function and the sorted() function is that the sort() function will modify the list it is called on. The sorted() function will create a new list containing a sorted version of the list it is given. ... The sort() function modifies the list in-place and has no return value.
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nullptr is a keyword that represents zero as an address (its type is considered a pointer-type), while NULL is the value zero as an int . If you're writing something where you're referring to the zero address, rather than the value zero, you should use nullptr .
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The function strdup() is used to duplicate a string. It returns a pointer to null-terminated byte string. Here is the syntax of strdup() in C language, char *strdup(const char *string);
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The STDEV. P function is used when your data represents the entire population. The STDEV. S function is used when your data is a sample of the entire population.
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Description. The strdup() function returns a pointer to a new string which is a duplicate of the string s. Memory for the new string is obtained with malloc(3), and can be freed with free(3). The strndup() function is similar, but only copies at most n bytes.
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fputs. Writes the C string pointed by str to the stream. The function begins copying from the address specified (str) until it reaches the terminating null character ('\0'). This terminating null-character is not copied to the stream.
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1 Answer. The putchar is a library function. It calls the write system call to write the character in stdout. ... The library functions for writing, it allocates a buffer, once if the buffer is fulled or flushed then only it calls the write system call to write the contents in stdout.
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Simply stated, objects of type String are read only and immutable. The StringBuffer class is used to represent characters that can be modified. The significant performance difference between these two classes is that StringBuffer is faster than String when performing simple concatenations.
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Syntax: char *fgets(char *str, int n, FILE *fp); The function reads a string from the file pointed to by fp into the memory pointed to by str . The function reads characters from the file until either a newline ( '\n' ) is read or n-1 characters is read or an end of file is encountered, whichever occurs first.
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char* strncpy( char* dest, const char* src, size_t count ); The strncpy() function takes three arguments: dest, src and count. It copies a maximum of count characters from the string pointed to by src to the memory location pointed to by dest .
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putchar(), getchar() function in C putchar() function is a file handling function in C programming language which is used to write a character on standard output/screen. getchar() function is used to get/read a character from keyboard input. Please find below the description and syntax for above file handling function.
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Strings are similar to arrays with just a few differences. Usually, the array size is fixed, while strings can have a variable number of elements. Arrays can contain any data type (char short int even other arrays) while strings are usually ASCII characters terminated with a NULL (0) character.
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['if (string.IsNullOrEmpty(inputString))', 'return false;', 'for (int i = 0; i < inputString.Length; i++)', 'if (!char.IsLetter(inputString[i]))', 'return false;', 'return true;']
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4 Answers. NULL is an absence of a value. An empty string is a value, but is just empty. ... NULL isn't allocated any memory, the string with NULL value is just a pointer which is pointing to nowhere in memory.