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c:stdlib.h:strtod

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c:stdlib.h:strtod [2024/02/16 01:04] (current)
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 +{{keywords>wiki library source code example reference}}
 +===== strtod =====
 +<code c>
 +    #include <stdlib.h>
 +    double strtod(const char *str, char **endptr);
 +</code>
 +strtod converts a string into a double variable
 +
 +===== strtod c code example =====  
 +<code c>
 +/* 
 + * strtod example code
 + * http://code-reference.com/c/stdlib.h/strtod
 + */
 +#include <stdio.h>
 +#include <stdlib.h>
 +
 +int main ( void )
 +{
 +  char string[] ="2040 strtod string 5";
 +  char *endptr;
 +  double number;
 +
 +  number = strtod(string, &endptr);
 +  printf("String is %s\n",string);
 +  printf("Double is %f\n", number);
 +
 +  return 0;
 +}
 +</code>
 +
 +==== Output ====
 +
 +    user@host:~$  ./strtod 
 +    String is 2040 strtod string 5
 +    Double is 2040.000000
 +
  

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c/stdlib.h/strtod.txt · Last modified: 2024/02/16 01:04 (external edit)

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