- The C Standard Library
The memory obtained is done dynamically using malloc and hence it can be freed using free. It returns a pointer to the duplicated string s. Below is the C implementation to show the use of strdup function in C.
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- Second, the strings that you are using are so-called C-strings (kept for legacy support of C code in C). The proper string to use is the class 'std::string' (in the '#include ' header. Using these, your code will work (with the double equal sign instead of.
- C Standard Library Resources
- C Programming Resources
- Selected Reading
Description
The C library function int atoi(const char *str) converts the string argument str to an integer (type int).
Declaration
Following is the declaration for atoi() function.
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Parameters
str − This is the string representation of an integral number.
Return Value
Strcmp Function
This function returns the converted integral number as an int value. If no valid conversion could be performed, it returns zero.
Example
The following example shows the usage of atoi() function.
Let us compile and run the above program that will produce the following result −
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stdlib_h.htm