The Function Strtod ()() in C

This guide covers the function strtod ()() in c with practical context and easy-to-follow details. Use it to understand the subject and apply the information confidently.

Declaring the Function Strtod ()() in C

Below is the declaration for strtod () function in C:

 double strtod ( const char * str , char ** endptr ) 

Parameters

Str - This is the value to be converted into a string.

Endptr - This is a reference to a allocated object of type char *, whose value is set by the function to the next character in str after the numeric value.

Returns the value

This function returns the floating point number that was converted as a double value. If not, the function returns 0. 0.

For example

The following program C illustrates the usage of the strtod () function in C:

 #include #include int main () { char str [ 30 ] = "21.32301 Hoc C tai QTM" ; char * ptr ; double ret ; ret = strtod ( str , & ptr ); printf ( "Phan gia tri (double) la: %lfn" , ret ); printf ( "Phan chuoi la: |%s|" , ptr ); return ( 0 ); } 

Compile and run the above C program to see the results.

According to Tutorialspoint

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