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/**
* @file stdlib.h
* Provides missing C standard library functions
* The newlib versions of these calls are not being used due to dependence on
* unsupported system calls.
*
* Copyright (C) 2018 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef STDLIB_H_
#define STDLIB_H_
/**
* Parses a formatted string, storing the result in the given buffer.
* @param buf the buffer to print the parsed string to
* @param max the maximum number of bytes to write to the buffer
* @param format the format string
* @return a pointer to the buffer
*/
char *snprintf(char *buf, unsigned int max, const char *format, ...);
/**
* Attempts to convert the given string to a float.
* @param s the string to convert
* @param endptr if not-null, set to the address of the character after the
* number
* @return the resulting float, or zero if an error occurred
*/
float strtof(const char *s, char **endptr);
char *ftostr(char *buf, float f);
/**
* Attempts to convert the given string to an integer.
* @param s the string to convert
* @return the resulting integer, or zero if an error occurred
*/
int atoi(const char *s);
#endif // STDLIB_H_
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