<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `backtrace_create_state` fn in crate `backtrace_sys`."><metaname="keywords"content="rust, rustlang, rust-lang, backtrace_create_state"><title>backtrace_sys::backtrace_create_state - Rust</title><linkrel="stylesheet"type="text/css"href="../normalize.css"><linkrel="stylesheet"type="text/css"href="../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../dark.css"><linkrel="stylesheet"type="text/css"href="../light.css"id="themeStyle"><scriptsrc="../storage.js"></script><noscript><linkrel="stylesheet"href="../noscript.css"></noscript><linkrel="shortcut icon"href="../favicon.ico"><styletype="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><bodyclass="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu">☰</div><ahref='../backtrace_sys/index.html'><divclass='logo-container'><imgsrc='../rust-logo.png'alt='logo'></div></a><divclass="sidebar-elems"><pclass='location'><ahref='index.html'>backtrace_sys</a></p><script>window.sidebarCurrent={name:'backtrace_create_state',ty:'fn',relpath:''};</script><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"><imgsrc="../brush.svg"width="18"alt="Pick another theme!"></button><divid="theme-choices"></div></div><scriptsrc="../theme.js"></script><navclass="sub"><formclass="search-form js-only"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"></div><aid="settings-menu"href="../settings.html"><imgsrc="../wheel.svg"width="18"alt="Change settings"></a></div></form></nav><sectionid="main"class="content"><h1class='fqn'><spanclass='out-of-band'><spanid='render-detail'><aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass='inner'>−</span>]</a></span><aclass='srclink'href='../src/backtrace_sys/lib.rs.html#33-38'title='goto source code'>[src]</a></span><spanclass='in-band'>Function <ahref='index.html'>backtrace_sys</a>::<wbr><aclass="fn"href=''>backtrace_create_state</a></span></h1><preclass='rust fn'>pub unsafe extern "C" fn backtrace_create_state(<br> filename: *const <aclass="type"href="../libc/unix/bsd/apple/type.c_char.html"title="type libc::unix::bsd::apple::c_char">c_char</a>, <br> threaded: <aclass="type"href="../libc/unix/type.c_int.html"title="type libc::unix::c_int">c_int</a>, <br> error: <aclass="type"href="../backtrace_sys/type.backtrace_error_callback.html"title="type backtrace_sys::backtrace_error_callback">backtrace_error_callback</a>, <br> data: *mut <aclass="enum"href="https://doc.rust-lang.org/nightly/core/ffi/enum.c_void.html"title="enum core::ffi::c_void">c_void</a><br>) -> *mut <aclass="enum"href="../backtrace_sys/enum.backtrace_state.html"title="enum backtrace_sys::backtrace_state">backtrace_state</a></pre></section><sectionid="search"class="content hidden"></section><sectionclass="footer"></section><asideid="help"class="hidden"><div><h1class="hidden">Help</h1><divclass="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to acti
